© Entomologica Fennica. 27.VIII.1991

Empididae (Diptera) of : The subgenera Empis and Coptophlebia

Milan Chvala

Chvala, M. 199 1: (Diptera) of Finland: The Em pis subgenera Em pis and Coptophlebia. - Entomol. Fennica 2:79-86. Nine of Empis (Empis) and one of E. (Coptophlebia) have been found to occur in Finland. Of these only three (E. (E.) pennipes, E. (E.) nigripes and E. (E.) bicuspidata) are very common. The last mentioned is the only one known throughout the country including the extreme north. Two species ( E . (E .) nigripes and E. (E. ) laminata) are distributed to approximately 65 °N. With the exception of E. (E .) staegeri, which has been found in Aland, in the extreme south-west only, the majority of species inhabit southern and central parts of Finland to approximately 62°N. Milan Chvala, Dept. of Zoology, Charles University, Prague, Vinicna 7, CS- 128 44 Praha 2, Czechoslovakia

1. Introduction the Finnish Empididae s.lat. published by R. Tuomikoski (in 7 parts) between 1935 and 1966 The last available systemati c treatment of the dealt mainly with the recent family , Finnish species of the Em pis is that of Frey except for the empidid genera Hormopeza (19 13), who presented at that time, within a revision (Oreogetoninae) and (Hemerodro­ of the family Empididae in its broad sense, a li st of miinae). all species found in Finland. Each species was During the preparational work on the 3rd documented by a full list oflocal ities and collectors, "empidid" volume on Empis for the 'Fauna so such an an angement enabled a simple revision Entomologica Scandinavica', to be published in to be made of Frey's identifications in the recent 1992, I have also revised the Finnish Collection in "Finnish Collecti on" preserved in the the Helsinki University Museum. The specimens Museum . of Empis were revised during my short stays in Since 1913 the genus Empis has not been Helsinki in 1980 and 1990, but the large collecti on thoroughl y studied in Finland and no fu rther data of the taxonomicall y difficult subgenus Empis are available - except for several more or less was sent to me for detailed study in 1989. As the general local faunistic or ecological papers pub­ scope of the series 'Fauna Entomologica lished incidentally by 0 . Ringdahl , R. Tuomikoski Scandinavica' is limited, the more complete re­ and W. Hackman. The few taxonomic papers on sults of my studies are presented here. 80 Chvala: Empis subgenera Empis and Coprophlebia • ENTOMOL. FENNICA Vol. 2

2. The Empis subgenera Empis and genus Empis in Lindner's ' Die Fliegen der Coptophlebia Palaearkti schen Region' appeared, and prior to 1954, when Frey was asked by E. Lindner to The s ubgenus Empis in c ludes, as does continue with Empis in th at monograph . Coptophlebia, small black to greyish coloured Actuall y, both Frey's "E. vernalis" and the later species of body length 2 to 5 mm. Eyes are complex of pennaria, bicuspidara and planerica holopti c in males with upper facets very enlarged, of the fo rmer "vernalis", was a mi xture of several females have legs usua ll y more or less pennate, closely related species. It was clearl y evident that and the long vertical proboscis on head and the the identifier, either R. Frey or somebody else, did widely open radial fork on wing (vein s R4 and R5) not have a clear concept of the of the E. represent the main differential characters. The nigripes-complex. Empis pennaria Fall. (a j unior onl y (rather weak) differential feature between synonym of E. nigripes F.) and E. penna ria s.l at. Empis and Coptophlebia is the apicall y abbrevi­ included many species, but predominantly both ated ve in M 1 on wing in the latter. The "subgeneri c" sexes of nigripes and laminara, and fe males of classificati on of Empis and Coptophlebia seems bicuspidara . Empis bicuspidara was represented to be unnatural and rather artificial (in compari son mainly by males of bicuspidara, females of with other subgeneri c classificati on within the practi call y all species of the E. nigripes-com plex, genus Empis), but it is stil l generall y accepted fo r and by several specimens of hyalipennis (Cop­ practical purposes. tophlebia). Even E. chioprera and E. prodromus Considering the widely open rad ial fo rk and were not correctly separated. Females of E. cinerea the above characteri sti cs, the species of Empis and (now E. acinerea) were incl uded mostl y under"£. Coprophlebia could hardl y be mi sidentified, with pennaria", but E. plumipes (now E. syrovarkai) was the possible exception of the small species of generall y correctl y identified, as well as E. pen­ (Empidin ae) and some genera of the nipes. O n the other hand E . sraegeri was Oreogetoninae. Both have, however, an ac ute mi sidentified as E. planetica. T he subgenu s rad ial fo rk on wing, and thoracic metapleura is Coprophlebia is represented in Finland by a single bare. The Hilara species differ also, inter ali a, in species(£. hyalipennis), as already establ is hed by the concave base of the upper vein (R4) ofthe rad ial Frey (19 13). fo rk, the dichopti c eyes in males, and the short proboscis. The small -sized Oreogetoninae (, Hormopeza, lreaphila) have proboscis more or 3. List of species less pointing forwards, and the precoxal bridge is not developed, i.e. the prosternum between fore The fo llowing list of species of the subgenera coxae is very small and isolated. Empis and Coptophlebia, with lists of Finnish Frey ( 1913) recognized 6 species of the locali ties (coll ectors omitted, only provinces for subgenus Empis in Finland (classified in the common species), is based on the "Finnish Col­ subgenus Pterempis Bezzi) - E. cinerea Zett., E. lection" as it has been preserved for the last twenty pennipes L. , E. plumipes Zett., E. vernalis Meig. , years, together with al l accessible unidentified E. chioptera "Fall." and E. prodromus Loew; and specimens found in the collections of the Zoo­ one species of the subgenus Coptoph/ebia Bezzi, logical Museum, Helsinki. Unfortunately, it was E. hyalipennis Fall. However, when checking the the custom during the time of Frey, Sahlberg, present state of the "Finnish Coll ection" in Hel­ Hellen, Palmen, Poppius, Woldstedt, Lundstrom sinki, it did not correspond with Frey's original and others, not to give the date of capture on ( 1913) classification. The " E. vernalis Meig." (a locality labels. For this reason the dates quoted for j unior synonym of E. nigripes F.) sensu Frey has occurrences in Finland are based mainly on been later replaced by 4 separate taxa: E. penna ria specimens coll ected recent!y by, for instance, s. lat. , E. pe1111aria Fall. , E. bicuspidara Coli. and Lindberg, Nordman, Krogerus, Fagerstrom, E. planerica Coli. The rev ised identification was Tiensuu, Tuomikoski, Albrecht, and others. As very probably carried out by R. Frey himself these data are consequently rather incomplete, the sometime after Engel's ( 1946) elaboration of the dates of occurrence in other Scandinavian coun- ENTOMOL. FENNICA Vol. 2 • Chvala: Empis subgenera Empis and Coptoph/ebia 81 tries including Denmark are given by way of identification in the Finnish Collecti on, and un­ compari son for each species, as well as a brief fortunately recently adopted even in the Palaearctic paragraph on the distribution outside Finland. Catalogue (Chvala & Wagner, 1989).

Empis (Empis) acinerea Chvala, 1985 Empis (Empis) AI: Lemland Flaka. Ab: , Yihti. Ta: Pirkkala, In terms of their abundance the Finnish Empis Kangasala, Loppi Sajaniemi. Sa: Joutseno. Tb: Jyvaskyla. (Empis) species may be roughly separated into Sb : Leppavirta. Kb: Liperi, Kontiolahti. - Vib: Kakisalmi two groups. Three species (pennipes, nigripes, (now Priozersk), Pyhajarvi (now Ot radnensk). Kr: Sortavala, bicuspidata) are very common, and more than 200 Aanislinna (mow Petrosawodsk), Kolatselka, Kurkijoki. ­ specimens of each were examined from Finland. Altogether 51 specimens (3 1 dd and 20 QQ ) on dates The remaining six species are much less common, ranging from 26 May to 24 June. and they were represented in the Helsinki Collec­ Within Fennoscandia rather common in Fin­ tions by 23 (chioptera)to61 (prodromus) specimens. land only (Fig. 1), otherwise known only from a Most of the species are distributed over the few localities in Denmark and southern Sweden (5 southern and central parts of Finland, north to Om, cJcJ and 6 <;:9 only! ); also the Netherlands and SbandKb, approximatelyto63-64°N. E. laminata Central Europe. The earliest date of capture in reaches the Arcti c Circle, as does E. nigripes in Denmark is 22 May. Finland, though the latter has a more northerl y distribution outside Finland, reaching, like E. bicuspidata, the extreme north of Fennoscandia. Empis (Empis) bicuspidata Collin, 1927 The only really southern species of the Finnish AI, Ab, N, Ka, Ta, Sa , Oa, Tb, Kb, Om, Ok, ObN, Ks, fauna is E. staegeri, known so far from Aland LkE, Li, L e. - Vib : Hogland (now Gogland), Lavansaari only. Practicall y all species of the subgenus oc­ (now o. Moscnyi), Valkjarvi (now Micurinskoe), Metsapirtti CUlTing in Finland are typical spring or at most (now Zaporozskoe), Sakkola (now Gromovsk), Konevitsa. early summer species, except for E. syrovatkai, Kr: Paanajarvi, Suistamo, Sortavala, Swir, Hiitola, lmpilahti, Aani slinna (now Petrosawodsk). Lr: Ponoj. - Altogether which is a characteristic late summer species. 202 spec imens ( 134 dd ancl68 QQ ) on dates from 27 May There are a further six species of the subgenus to 6 July. Empis fo und in the southern parts of Scandinavia but not recorded from Finland. Of these perhaps A widely distributed species in Fennoscandia only E. aestiva Loew might occur in the south of including the extreme north, though much less Finland. It is a very common species in Denmark, common towards south (Fig. 2); rather a boreal in Norway it is distributed to HOy and AK (ap­ species. Mainly in June and July, in Lapland up to proximately 60°N), and it is fairl y common in 6 August. It is known also from the British Isles southern Sweden, north to Vg and Og, and found and the Netherlands, and south to Central Europe also on Oland and Gotland. E. aestiva is a summer (Czechoslovakia), where it is rather rare. species (in Scandinavia from 17 June to 23 August) and it could easily reach Finland either along the Empis (Empis) chioptera Meigen, 1804 eastern coast of Sweden or from the north-west of the European USSR. For completeness the species Ab: , Lohja. N: Helsinki , , . is incorporated in the Key to the identification of Kb: Kontiolahti.-Kr: Sortavala, Salmi. - Altogether 23 Finnish species given below. specimens ( 14 dd ancl 9 QQ) on dates ranging fro m 16 May to 4 June. The other species, viz. E. caudatu/a Loew, E. nuntia Meigen, E. planetica Collin, E. rufiventris A common species in Denmark and the extreme Meigen and E. serotina Loew, are known only south of Sweden (north to Hall and Sm), though from the warmer areas ofDenmark and the extreme fo und also in Norway north approximately to south of Sweden, and their occurrence in Finland 59°N (Ve , AK). East Fennoscandian distribution is unlikely. This applies also to E. p/anetica which in Fig. 3. Very earl y spring species, usuall y the was mistakenly recorded from Finland by first species of the subgenus in spring, in the south Hackman (1980), a mistake based on a false of Scandinavia from 4 May, individually up to 27 82 Chwila: Empis subgenera Empis and Coptophlebia • ENTOMOL. FENNICA Vol. 2

June. In warm and temperate Europe very com­ Svatnavolok, "Careli a ross". - Altogether 263 specimens mon. (l066'6' and 157 c;:Q )ondates rang ingfrom8June to I July. Rather a southern species in distribution within Empis (Empis) /aminata Collin, 1927 Scandinavia, in Norway north to Nsy, in Sweden to Dlr, at most approximately 65°N, common in AI: Eckero, Saltvik, Fi nnstrom, Sottunga-Huso. Ab: Denmark and in the south. East Fennoscandian Muurla Eriksberg, Uskela. N: Helsinki, Kirkkonummi. Sr: distribution in Fig. 6. Mainly in June, in Scandi­ Pori. Oa: Lapua, Korsholm Norrskar. Om: Jakobstad . Ok: Suomussalmi. ObS: Liminka. ObN: Rovaniemi . - Vib: navia on dates ranging from 11 May to 27 July. Metsapirtti (now Zaporozkoe), Muolaa (now Kirillovskoe). Practically throughout Europe, very common in Kr: Jalguba, Paadana, Svatnavolok, Impilahti, Tschuja. ­ Central Europe. Altogether 35 specimens (22 6'6' and 13 c;:Q ) on dates ranging from 4 June to 22 July. Empis (Empis) prodromus Loew, 1867 Mainly in June and Ju ly, though in southern AI: Jomala. Ab: Lohja, Kmjalohja, Kuusisto, Sammatti, Sweden (Skane) found as early as 4 May. Wide­ Naantali , Nagu Hogsar. N: , Hanko Tvarminne, spread in Scandinavia but everywhere rather rare. Ekenas, Lappvik, . Ka: Virolahti. Ta: Kangasala, It has been recorded from Denmark (6 cJcJ and 10 Forssa, Hausjarvi, Padasjoki. Sa : Joutseno. Tb: Jyv1iskyla. QQ), and throughout Sweden from SktoNb, but as Kb: Ilomantsi, Eno. - Vib: Vyborg, Kakisalmi (now 7 males only. Not yet recorded from Norway or Priozersk) Kivem1apa (now Pervomajskoe), Metsapirtti (now the British Isles. East Fennoscandian distribution Zaporozkoe). Kr: Sui stamo. - Altogether 6 1 specimens (32 6'6' and 29 c;:Q ) on elates rang ing from 18 June to 17 July. in Fig. 4. Generally mi sidentified as E. nigripes. Besides Fennoscandia and Denmark found up to In Scandinavia common species in the south, now only from the Netherlands and Czechoslo­ especially in Denmark and southern Sweden, rare vakia. in its central parts, in Sweden north to approxi­ mate! y 64 °N (As .Lpm). It has not yet been recorded in Norway, though it should occur there, at least in Empis (Empis) nigripes Fabricius, 1794 the south. East Fennoscandian distribution in Fig. AI, Ab, N , Ka, Sr , Ta , Sa, Oa, Tb, Sb , Kb, Om , Ok, ObN: 7. A typical spring species, in Scandinavia mainly Pisavaara naturpark, Rovaniemi. - Vib: Vyborg, Kivennapa in June, in Denmark taken as early as 30 May. (now Pervomajskoe), Sakkola (now Gromovsk) , Yalkjarvi From the British Isles and central parts of Scan­ (now Micurinskoe), Metsapirtti (now Zaporozkoe), Muolaa dinavia south to central parts of Europe. (now Kiri ll ovskoe). Kr: Paanajarvi, Sortavala, Svatnavolok, Petrosawodsk, Impilahti, Hiitola, Suistamo, Jalguba. Lr: Maaselg1i,Yial uostari (now Zapoljarnyi), Petsamo (now Empis (Empis) staegeri Collin, 1963 Pecenga). -Altogether 260 specimens ( 139 6'6' and 12 1 QQ ) on dates rang ing from 5 June to 10 July. A I: Saltvik, Mariehamn, Jomala, Appelo, Eckero, Le mlanel. - Altogether 38 specimens (27 6'6' and II c;:Q ); Together with E. pennipes the commonest only one elate of capture available, 10 June. species of the subgenus Empis in Fennoscandia A species of southern distribution in Scandi­ and Denmark, and practically throughout Europe navia, not uncommon in Denmark and in the south except for the Mediterranean. In Fennoscandia of Sweden, north in Norway to AK, in Sweden to mainly in June, on dates ranging from 18 May to Dlr, eastwards through Up/ to the Finnish Aland 11 August. Fairly common even in the extreme (Fig. 8). A typical spring species, in Denmark and north, found also in Norwegian, Swedish and southern Sweden from 18 May to 1 Ju ly, mainly in Russian Lapland, though the northernmost known June. Uncommon in Central Europe, but unknown locality in Finland is Rovaniemi in Ob (Fig. 5). from the British Isles and the Netherlands.

Empis (Empis) pennipes Linnaeus, 1758 Empis (Empis) syrovatkai Chvala, 1985

AI, Ab, N, Ka, Sr, Ta, Sa, Tb : Laukaa, Jyvasky la. Sb: Ab: Ka1jalohja, Vihti, Kemio. N: Helsinki, Espoo. Ka: Kuopio, Tuovilanlahti, Leppavirta, Ni lsi1i. Kb: Kontiolahti , Yehkalahti. Sr: Yl1ine. Ta: Ylojarvi. Sa : Joutseno. Tb: Kol i. - Vib: Vyborg. Kr: Munjarvi, Sortavala, Hiitola, Jyvaskyla. Sb: Tuovilanl ahti. Kb: "Carelia bor.". Om: Suistamo, Impilahti , Petrosawodsk , FI.Swir, Jalguba, Nykarl eby.- Vib Yyborg. Kr: Salmi , Suistamo, Nurmo ila, ENTOMOL. FENNICA Vol. 2 • Chvala: Empis subgenera Empis and Coptophlebia 83

Santama. - Altogether40 specimens(21 d'd'and 19 QQ )on acquainted with the Empididae. The key includes dates ranging from 3 I July to 22 September. only the species occurring in Finland (and also E. aestiva); a complete key to all northern European Widespread in Scandinavia, though every­ species will be presented in the 3rd empidid vol­ where uncommon. It has been found in Denmark, ume of the 'Fauna Entomologica Scandinavica' . in Norway north to SFi and On , in Sweden tolmt,

approximately 62°N. East Fennoscandian distri­ I. Ve in M 1 abbrev iated, not reaching the wing-marg in. bution in Fig. 9. A typical summer species, mainly Acrosti chal bristles absent. Halteres and abdominal in July and August in Fennoscandia, the earliest pubescence pale. Female hind femora pennate ...... E. (Cop!.) hyalipennis record is from Norway on 2 July. From Central Ve in M, comple te, reac hing the w in g-marg in. Europe north to the Netherlands and central parts Acrosti chal bristles present ...... 2 of Fennoscandia, unknown from the British Isles. 2. Halteres black. Small species, body 2.5-3.5 mm long ...... 3 Ha lteres pale; if darkened (pennipes), then large spe­ Empis (Coptophlebia) Bezzi cies, body about 4-5 mm long, with very long proboscis ...... 5 There are two species of the subgenus 3. Abdominal pubescence whitish, anal vein complete. Coptophlebia, E. albinervis Meigen and E. Female hind legs rather fr inged, no distinct pennati on vitripennis Meigen known from Denmark and the ...... 4 south of Scandinavia. Their occurrence in Finland Abdominal pubescence black, anal vein incomplete. is very unlikely. Both are typical summer or late Female posterior four femora and hind tibiae long pennate. Shining bl ack species ...... E. (E.) aesliva summer species, easily differentiated from E. 4. Humeri and notopleural depression with minute white hyalipennis by the presence of acrostichal bristles hairs besides black bristl es, mtpl (metapleural) bristles on thorax. E. a/binervis has pale hal teres, whi lst in exclusively pale. Mesonotum greyish dusted. Female E. vitripennis these are blackish. hind femora e ven ly dilated , s ho rt pe nnate posteroventrall y on apical hal f ...... E. (E.) chioplera Humeri and notopleural depression with exclu sively Empis (Coptophlebia) hyalipennis Fallen, 1816 black hairs, mtpl bristles black. Mesonotum rather shining black. Female hind femora di stinctly convex Ab: Lohj a, Kmjalohj a, Vihti. N: Helsinki, . Ta: above, ventrally straight and almost bare ...... Forssa, Hausjarvi, Padasjoki. Sa: Joutseno. Tb: Keuru. Sb : ...... E. (E.) prodromus Tuov il anlahti. \lib: Valkjarvi (now Micurinskoe), Uusik irkko 5. Eyes touching on frons- males ...... 6 (now Polj any), Terijoki (now Zelenogorsk). -Alt ogether Eyes separated by frons - females ...... 12 28 specimens ( 13 d'd' and I 5 QQ) on dates rang ing from I 5 6. Labrum very long, about 3 times as long as head is July to 13 August. hi gh. Hal teres rather browni sh, or very darkened. Ab­ Tends to be di stributed in central parts of dominal pubescence and mtpl bristles bl ack. Aedeagus very long and slender. Large species, about 4-5 mm Fennoscandia, rare in the south (only 1 pair known long ...... E. (E.) pennipes from Denmark). North approximately to 68°N, in Labrum shorter, at most twice as long as head is high Norway to TR i, in Sweden to Ly .Lpm and Nb. East (l abium longer if prorrect). Halteres pale. Abdominal Fennoscandian distribution in Fi g. 10. A typical pubescence pale, at least at base of abdomen ...... 7 summer species, in Fennoscandia mainly at the 7. 8th tergum with a distinct tubercle on each side. 7th end of July and in August, on dates ranging from tergum with corresponding excisions on hind margin. Dorsum of abdomen dulled by greyish dust. Medium 15 July to 15 September. Throughout Europe but sized species, 3--4 mm long (E. nigripes-complex) .. 8 everywhere rather rare. 8th tergum simple, without tubercles, and no corre- sponding excisions on 7th tergum ...... I 0 8. Aedeagus short and stout, di stinct ly broadened at tip. Mtpl fan usually composed of black and pale bri stles 3. Key to the Finnish species of Empis ...... 9 (Empis) and E. (Coptophlebia) Aedeagus short, stout at base but very slender on apical half, not widening at tip. Mtpl fan composed The foll owing key for the identificati on is very ma inl y of pale bristles (often blackish in northern populations). Tubercle on 8th tergum 2-pointed, the simplified and will , hopefully, enable easy identi­ tips pointing forwards and backwards ...... fication of the species even by those not well ...... E. (E.) bicuspidala 84 Chvala: Empis subgenera Empis and Coptophlebia • ENTOMOL. FENNICA Vol. 2

9. 8th tergum with a simple round tubercle on each side. 16. 2 scuteUar bristles. Generall y smaller, less than 3.5 mm Mtpl bristl es black, m ixed with pale bris tl es. long, mesonotum uniform ly rather light grey. Posterior Mesonotum with 3 indefinite darker stripes on the four femora and hind tibiae almost uni fo nnly distinctly lines of bri stles ...... E. (E.) nigripes pennate. Abdominal pubescence pale .. E. (E.) staegeri 8th tergum with a fl attened, spoon-shaped tubercle 4 scutell ar bristles. Genera ll y larger species, body 3-4 pointing backwards. Mtpl bristles exclusively black. mm long, mesonotum with 3 indefinite darker stripes Mesonotum with two rather indistinct darker stri pes on the lines of bristles. Posterior four legs rather fringed between the lines of bristles ...... E.(E) lamina/a than pennate. Abdominal pubescence with additi onal 10. Aedeagus short and ve1y stout. Subshining black, robust black hairs ...... 17 species, body about 4-5 mm long. Dorsocentral bristles 17. Dorsum of abdomen with numerous black hairs, mtpl irregularly 2- to 3-serial ...... E. (E.) syrovatkai bristles black and pale. Hind tibiae covered dorsally Aedeagus long and slender. Rather densely grey dusted with predominantly flattened hairs, mixed with addi- species with acrostichals and dorsocentrals regularly tional long simple bristles ...... E. (E.) nigripes biserial ...... I I Dorsum of abdomen covered with predominantly pale II . Larger, body about 4-5 mm long, 4-6 scutell ar bristles. hairs, mtpl bristles mostly pale (blackish in northern Aedeagus conspicuously long and thin, threadlike, with populations). Hind tibiae dorsall y more uniformly short 3 loops at base ...... E. (E.) acinerea pennate, often with addi ti onal longer flattened bristly Smaller, body less than 3.5 mm long, 2 scutell ar bris­ hairs ...... E. (E.) bicuspidata tl es. Aedeagus evenly bowed, not conspicuously long ...... E. (E.) staegeri Acknowledgemellfs. I express my sincere th anks to Prof. 12. Legs not pennate, covered with ordinary hairs and W. Hackman and to Dr. A. Albrecht, who kindly enabled bristles only; no flattened hairs ...... 13 me to study the Finnish specimens deposited in the collec­ Legs distinctly pennate, or at least hind legs with tions of the University Zoological Museum, Helsinki. I am flattened hairs ...... 14 especially grateful to Dr. Albrecht for hi s critical comments 13. Larger, generally over 4mm. Wings deep brown. Hind on the manuscript and for arranging the distributional maps. femora rather slender, narrowly conical, as deep as The Swedish National Science Research Counci l provided hind tibiae ...... E. (E.) acinerea me with a grant fo r my vi sit to Helsinki in 1980, and the Smaller, body 3-4 mm long. Wings clear. Hind femo ra Czechoslovak Ministry of Education arranged my stay in laterally compressed, twice as deep as hind tibiae, Helsinki in 1990 within the framework of the cultural dorsal hairs with a tendency to be fl attened ...... agreement between Charles Uni versity, Praha, and the ...... E. (E.) lam ina/a Un iversity of Helsin ki . 14. Labrum very long, about 3 times as long as head is hi gh, halteres wi th a tendency to be brownish or even darkened. Abdominal pubescence and mtpl bristles References black. Legs broadly pennate on posterior four femora and tibiae, shorter flattened hairs on fore tibiae and Chvala, M. & Wagner, R. 1989: Empididae. - In: So6s, ~ nt er i or four metatarsi dorsally. Large species, 4-5 A. & Papp, L. (eel.), Catalogue of Palaearctic Diptera mm long ...... E. (E.) pennipes 6: 228-336. Budapest. Labrum shorter, at most twice as long as head is hi gh, Engel, E. 0 . 1946: Gattung Empis L. - In: Lindner, E. halteres pale. Abdominal pubescence pale, at least at (eel .), Die Fliegen der palaearktischen Region. IV 4, base of abdomen ...... 15 28:33 1-384. Stuttgart. 15. Fore legs with only ordinary hairs or bristles, no Frey, R. 19 13: Zur Kenntnis der Dipterenfauna Finn lands. pennation or flattened hairs. Abdomen dulled by grey- II. Empididae. - Acta Soc. Fauna Flora Fennica ish dust ...... 16 37(3): 1-88. Fore tibiae on apical half and fore metatarsi with flat­ Hackman, W. 1980: A check li st of the Finni sh Diptera. I. tened hai rs dorsall y. Posterior four femora and tibiae and (s.str.).- Notul ae Ento­ broadly pennate. Large species, about 4-5 mm long, mol. 60: 17-48. with extensively shining black abdomen ...... E. (E.) syrovatkai Received 30.XI.I990 ENTOMOL. FENNICA Vol. 2 • Chvala: Empis subgenera Empis and Coptophlebia 85

\ ,· ~l;·+--\ '· tL vi'J~ ~ -\1. , • ·' 1 '\ 1l l/ Nf\1 b • • l!_jL J- / 6, ~ ;-...,.1'£: e e / .-:!'f It ;-.,. iY±: [Jjt ' _[\I ,., !'IV • •1• JjJ" • ~ _!.,. I~· ••• .t.:/.J e ,li. 1~ L.-~ 1-- Empis (Empis) r/]:!~·:-j=~~-H:!:e-1-lh~.....L Empis (Empis) 2 ~ -~ · I"'" chioptera 3 ...r- 1 ~ bicuspidata

J.• e e / * r. It '!::> f0:::J l; • v"l ~ r-r- • J J• 1• ,,v~ tJ-' h--L-, . • fe e e La~ l ·.. I , I %1 •I• I 'l' IL-1--IJ 1• r...~ 1::--- Empis (Empis) 4 1\IT~Tf'e!Tti~'e;+!_.,f1re'~-J-/-:~~!.-'L Empis (Empis) 5 kV'"' laminata rLl__Q_ ~ / \'-""-' nigripes

Lri IJ \ ~ju ' .It: lL ' ~00u-1 V}jrp ••• , __':,.\,., 'iL • \' • :. • ll J_ • jJ_~ ~JJ. • • • v' • .,.\' p;±- ! • \"'I tL • • • / !-.'l'f >\-... f / I' h. D. ·;, 11V ll •• ,,_,.;J]y~ • • I•L• lJm , ,. • • • • !:41 \ I.e !:41. ~ ••• I•Ii. Empis (Empis) ~ Empis (Empis) pennipes ~~~ :t. fr"' prodromus 7 ~··~.1 !" '1::-- 6 v- 86 Chwila: Empis subgenera Empis and Coptophlebia • ENTOMOL. FENNICA Vol. 2

\ "') l ,,..! IJ \ "') "\:J. _, ,· ,J ~~1~ .IT"' ' l?f~ J__J ~~ud , ~ v~ ' :\.\. J II"\ ~ ·' \!_.\. .J ! -~ J_ • 1/ • l'i .L\1 / I' :t\ 'h. 1\d: tL • / [7 te '\-... 1\·t ::l 1\ , .,"TU' ]1t , y Jf ! • ,. .'T 1%1 \ [A ~ \ Empis (Empis) iJ~L:!I I .~..,. !1.--N Empis (Empis) 1- 1- ~-~ ~ staegeri syrovatkai 9 rr- 8 [Lli1_ J I k-F"

~.l \ ~ "' ,· Bf-~ '· t.l • ': li\.\. ! ll • \ "i {'i ! / II::t\ ~ ~ +- • ,. ,,., J"" y •• 1%1 \ Empis •:..,..- . ( Coptophlebia) t. hyalipennis 10 !d ~"'"