FOLIA ENTOMOLOGICA HUNGARICA ROVARTANI KÖZLEMÉNYEK Volume 71 2010 Pp

FOLIA ENTOMOLOGICA HUNGARICA ROVARTANI KÖZLEMÉNYEK Volume 71 2010 pp. 203−212

New records of Heleomyzidae (Diptera) with description of a new genus and two new species

L. PAPP

Department of Zoology, Hungarian Natural History Museum and Animal Ecology Research Group of the Hungarian Academy of Sciences Budapest, Baross u. 13, H-1088 Hungary. E-mail: [email protected]

– New records of Acantholeria, Gymnomus and Schroederella spp. are reported from Mongolia. Additional first records for other Palaearctic countries: Orbellia myopi- formis (ROBINEAU-DESVOIDY, 1830) from Croatia, Eccoptomera emarginata (LOEW, 1862) from Iran, Neoleria maritima VILLENEUVE, 1921 from Malta and Gymnomus ceianui (MARTINEK, 1985) from Austria. Paramorpholeria gen. n. (type species Paramorpholeria vietnamensis sp. n., Vietnam) and Schroederella stylata sp. n. (Mongolia) are described. With 12 figures.

– Heleomyzidae, Paramorpholeria, Schroederella, Austria, Croatia, Iran, Mon- golia, Vietnam.

INTRODUCTION

In the course of a routine selection of the newly collected material of Heleomyzidae into genera in the Diptera Collection of the Hungarian Nat- ural History Museum, several new species and unpublished occurrence data have been found. It seems reasonable to publish at least the more inter- esting ones in a paper. Below I describe two new species, one of them in a new genus of Heleomyzinae, here named from Vietnam. PAPP (2007) when describing two new species of Schroederella, used the term ‘subepandrial process’ for the same structure as ‘editum’ in GORODKOV’s works. This usage seems to be correct, but having analysed genital structures of other genera of Heleomyzinae it turned out that there

Folia ent. hung. 71, 2010 204 L. Papp are species with two or even three pairs of subepandrial processes. So I do not see a problem with using the term ‘editum’, for species with one pair of subepandrial processes. All the specimens (incl. types) whose data are listed below are pre- served in the Diptera collection of the Department of Zoology, Hungarian Natural History Museum, Budapest (HNHM).

BORBOROPSIDAE/HELEOMYZIDAE

Orbellia myiopiformis (ROBINEAU-DESVOIDY, 1830) – 2 males, 1 female: Hrvatska, Stirovaca, 1000 m, Piceetum excelsae velebiticum, rókatrágyáról [on fox dropping], 1996. X.27., leg. ÁDÁM L. New to Croatia. – After a quick examination of male genitalia in Or- bellia ROBINEAU-DESVOIDY, 1830 and Oldenbergiella CZERNY, 1924, it seems probable that they belong to the family Borboropsidae (as the tribe Orbelliini GORODKOV) rather than to Heleomyzidae. However, I think such a decision is improper to make without a generic revision of Heleomyzidae.

HELEOMYZINAE

Eccoptomera emarginata LOEW, 1862 – 1 male: IRAN, Prov. Mazandaran, Elburz Mts, 30 km W of Balade, 36°14’N 51°25’E, 2600 m, 16.V.2001, leg. B. BENEDEK &G. CSORBA. – It seems highly probable that this specimen represents an undescribed subspecies of E. emarginata but I refrain from describing it here (male genitalia studied). Eccoptomera longiseta (MEIGEN, 1830) – 1 male: Austria: Hochschwab, Aflenzer Sta- ritzen, 1800–2150 m, hóról [on snow], 29.09.2008, L. DÁNYI & Á. VÁRI. Eccoptomera pallescens (MEIGEN, 1830) – 1 male: Austria: Hochschwab, Aflenzer Staritzen, 1800–2150 m, hóról [on snow], 29.09.2008, L. DÁNYI &Á.VÁRI. – These two species live in cool or even cold places in North and Central Europe, known formerly also from Austria. They are not rare in caves, particularly so for E. pallescens. Neoleria maritima VILLENEUVE, 1921 – 1 male: Malta: Gozo, Gharb, Wied Il-Mielah, 30.xi.1991, M. J. EBEJER. – Described from France, in the Fauna Europaea there are additional records from Great Britain, Belgium and Spain only. New to Malta. Schroederella brevisetis (CZERNY, 1932) – 3 males: Mongolia, Baruun-Urt, talaj- csapda [pitfall traps], 11–18.VIII.1972., leg. MÉSZÁROS; 1 female: Mongolia, Öndörhántól 80 km Ény-ra [80 km NW Öndörhaan], Mörön river, 1979.VIII.22., leg. PEREGI. – For- merly regarded as a junior synonym of S. iners, later as a subspecies of S. iners (MEIGEN, 1830) by PAPP & CARLES-TOLRÁ (1994). Now I think it deserves the rank of species. Acantholeria desertorum (CZERNY, 1932) – 9 males: Mongolia, Baruun-Urt, talaj- csapda [pitfall traps], 11–18.VIII.1972., leg. MÉSZÁROS. – It seems to be widespread in Mongolia and known also from East Siberia (Russia).

Folia ent. hung. 71, 2010 New records, genus and species of Heleomyzidae (Diptera) 205

Gymnomus ceianui (MARTINEK, 1985) – 1 female: Austria: Hochschwab, Aflenzer Staritzen, 1800–2150 m, hóról [on snow], 29.09.2008, L. DÁNYI &Á.VÁRI. – Formerly known from Romania, Slovakia, Poland, France, Spain and Hungary. It lives in higher mountains, so it is not a surprise to find it also in Austria. Gymnomus gorodkovi PAPP et WO¯NICA, 1993 – 1 male: Mongolia, Baruun-Urt, ta- lajcsapda [pitfall traps], 11–18.VIII.1972., leg. MÉSZÁROS. 1 female (sex questionable): Mongolia, Chemdij aimak, Öndörchaan (Lager), 28.VIII.–8.IX.1980 [? pitfall traps], leg. PEREGI. – It was described from the Chövsgöl aimak, based on a single male. Now it proved to be more widespread. Gymnomus mongolicus PAPP et WO¯NICA, 1993 – 1 female: Mongolia, Baruun-Urt, Ény-ra 120 km [120 km NW], 15–18.VIII.1972., [?pitfall traps], leg. MÉSZÁROS. 1 male: Mongolia, Chemdij aimak, Öndörchaan (Lager), 28.VIII.–8.IX. 1980 [? pitfall traps], leg. PEREGI; 2 males: ibid., 65 km NW of Lager, 1980.IX.9.–X.5.1 male: Central aimak, Tsagan Dawas, Bayan Tsadmani, 18.VII.1988, leg. PEREGOVITS. – It was described from Chentej aimak (PAPP &WO¯NICA 1993), the above data are important additions to its distribution.

New taxa

gen. n.

Type species – Paramorpholeria vietnamensis sp. n. Gender – Feminine.

Description – First flagellomere (Fig. 1) much longer than broad, apex widely rounded, in contrast to the rather globular one in Morpholeria GARRETT, 1821. Anterior fronto- orbital seta minute, facial keel, though broad, distinctly emerging. Peristomals not arranged (more or less in 2 rows). Arista long. Thorax with a sagittal row of acrostichals. No prosternal setae, 1 postpronotal, 1+4 dorsocentral, 1 supra-alar, 2 postalar and 1 katepisternal pairs of setae. Anepisternum bare. Only 2 pairs of long scutellars. Wing normal, costal setae not very long. Legs without modifications. No dorsal setae on mid tibia, 2 pairs of apico-ventral setae on mid tibia plus a long anterior pair. Abdominal sternites quadrate with comparatively long setae. Sternites 6 and 7 in lateral position, both with several setae. Sternite 8 not large. Male genitalia extremely small, particularly the epandrium, which is only 0.13 mm dorsally. Epandrium with long setae. Insertion of hypandrium just dorsal to the base of surstylus; in contrast to the very highly inserted hypandrium of Morpholeria spp. Sub- epandrial sclerite (Fig. 7) rather small, broad V-shaped, without any appendages (!). Cerci (Fig. 3) longer than epandrium, rather narrow in lateral view, broad liguliform in ventral view (Fig. 7) with numerous rather long bristles. Editum not developed at all (Figs 3, 6–7). Surstylus (Figs 3, 5) about as long as height of epandrium, rather narrow in lateral view, broader in its widest extension with narrow apex, thick black peg-like setae on its medial surface in its apical third. Gonopods fused to aedeagal apodeme, which seems to be a

Folia ent. hung. 71, 2010 206 L. Papp shared character with a number of heleomyzine genera. Rather distinct pair of parameres present (Figs 4, 6) as a pair of plates around the basiphallus. In addition, there is a horizontal quadratic plate (a black rod on Fig. 6, a shaded plate on Fig. 4 (see also in Discussion). Basiphallus short, not strongly sclerotised, distiphallus – as in the other genera of Heleo- myzinae – composed of 2 long ribbon-like sclerites, slightly broadening on an apical section (Fig. 3). Aedeagal apodeme short, apical part curved up, membranous, aedeagal apodeme rather wide in dorsal/ventral view (Fig. 4). Ejaculatory apodeme large (Figs 3–4, 6), but its duct short, consequently it cannot move far from basiphallus. Female unknown.

Discussion – Presently I cannot determine the sister group of Para- morpholeria gen. n. It will not run out to any point in CZERNY’s (1924) key, or in other keys published later for Heleomyzidae (e.g. PAPP 1998). Al- though I think the sagittal line of acrostichals to be strong synapomorphy of Acantholeria GARRETT, 1821 and Morpholeria, details of male genitalia make questionable a close relationship to any of them. This is why I com- pared male genital structures to several heleomyzine genera, as follows. Eccoptomera LOEW, 1862 spp. male genitalia: cerci most ventral, very large and fused, and they fused to subepandrial sclerite (this forms their inner wall) surstylar base vertical, consequently apical parts much closer to each other than basal parts, phallapodeme distinctly long; parameres large, as well as epiphallus (metaphallic plate). Morpholeria (Spanoparea) ruficornis (MEIGEN, 1830), the type species of subgenus Spanoparea CZERNY, 1924: hypandrium joins very high on epandrium, two pairs of appendages of subepandrial sclerite, plus an additional pair of setose processes (medially directed, anterior to the appendages and basal to surstyli) over the basiphallus. Phallapodeme rather short, distiphallus not particularly long, ejaculatory apodeme’s duct particularly long. Morpholeria dudai (CZERNY, 1924) male, det. K. B. GORODKOV,a species close to the type species Morpholeria tristis (LOEW, 1862): one huge pair of appendages of the subepandrial sclerite, hypandrium joins very high on epandrium, distiphallus very short, phallapodeme very short. Morpholeria kerteszi CZERNY, 1924: first flagellomere rather large but globular, rather than longish, hypandrium joins epandrium very dorsally, 2 pairs of appendages of the subepandrial sclerite, phallapodeme very small. The genus Morpholeria GARRETT, 1921, as presently treated, is of 3 li- neages based on male genitalia (cf. GORODKOV 1972: fig. 11):

Folia ent. hung. 71, 2010 New records, genus and species of Heleomyzidae (Diptera) 207

1. subgenus Spanoparea CZERNY, 1924; 2. M. dudai and its allies, i.e. the nominate subgenus; 3. M. kerteszi, which may represent another subgenus. In addition there is the subgenus Anthroleria GORODKOV, 1964, with its thickened and armoured hind tibia, but its relation to Acantholeria, etc. needs a more detailed study. The editum is long and bifid also in Scoliocentra amplicornis (CZERNY, 1924), and their junction to the subepandrial sclerite is obvious also there. I think the horizontal plate in the new genus must not be “the metaphallic plate” of GORODKOV. On the other hand, between the caudal edges of parameres there is another very thin lamella. That seems double more caudally and both parts turn dorsally forming a dorsal process (Figs 3–4, 6), which broadened apically. I hesitate to name it as epiphallus, since basiphallus can be removed without damaging the lamella.

Paramorpholeria vietnamensis sp. n., paratype. 1 = flagellomeres, lateral view, 2 = hind femur and tibia, inner (medial) view. Scales: 0.2 mm for Fig. 1, 0.4 mm for Fig. 2

Folia ent. hung. 71, 2010 208 L. Papp

GP PM

4 3

EA 5

6 7

Paramorpholeria vietnamensis sp. n., paratype. 3 = male genitalia, lateral view (EP: epandrium, GP: gonopod, HA: hypandrium), 4 = inner genitalia, ventral view (ventral plate shaded, arrow shows edge of hypandrium, PM: paramere), 5 = surstylus at broadest, a submedial view, 6 = inner genitalia, lateral view (black “stick”: a horizontal quadratic plate, shaded on the next figure, arrows at edge of hypandrium and at the end of the phallapodemal process, EA: ejaculatory apodeme) 7 = contours of epandrium, subepandral sclerite, cerci and surstyli, ventral view. Scale: 0.2 mm for all

Folia ent. hung. 71, 2010 New records, genus and species of Heleomyzidae (Diptera) 209

sp. n. (Figs 1–7)

Type material – Holotype male (HNHM): VIETNAM: Sin Chai, Fan Si Pan, 12.11. 2003, 2500 m, FÖLDVÁRI,PEREGOVITS &KÕRÖSI, No. 4 (abdomen with genitalia prepared but not dissected, in a plastic microvial with glycerol). Paratype male (HNHM): same data as holotype (abdomen with genitalia prepared and dissected, in a plastic microvial with glycerol).

Description – Measurements in mm: body length 5.2 (holotype), 4.3 (paratype), length of wing 5.33 (holotype), 4.40 (paratype), width of wing 2.14 (holotype), 1.71 (paratype). Body greyish yellow, mesonotum and most of pleura grey, dusty. Head mostly greyish yellow, anterior part of frons widely yellowish as well as genae and face. Head setae strong, anterior fronto-orbital only 0.12 mm long, posterior pair 0.50 mm from base to apex, i.e. even longer since strongly curved. Posterior fronto-orbital 3 times thicker than anterior pair. Longest axis of eye (almost vertical one)/genal width below eye: 0.58 mm/0.47 mm. Carina very broad and low, facial plate turns into concave above clypeus. Clypeus minute. Scape and pedicel reddish yellow. First flagellomere long, apex broadly rounded, with dense thin max. 0.025 mm long hairs; other flagellomeres as on Fig. 1, with short dense hairs, longest ones (on apical part of the terminal flagellomere) 0.025 mm long. Peristomals in 2 less ordered rows. Palpi with 1 very long apical seta (0.22 mm on holotype) and several other short bristles. Thorax with a sagittal row of acrostichals. 1+4 dorsocentral pairs, other setae as given in the generic description. Apical scutellar seta 1.00 mm, lateral pair 0.85 mm from base to tip (i.e. even longer since rather curved), scutellum otherwise bare. Wings light brownish, veins light brown. Crossveins not fumose (not darker margi- ned). Longest costal setae 0.165 mm, i.e. not very long. Stronger costal fringe on 3/8 of third costal section. Terminal section of M vein 1.63 mm (HT), 1.33 mm (PT), inter-crossvein section 1.03 mm (HT), 0.90 mm (PT). Halter dirty yellow. Legs dirty yellow. Mid tibia with extremely long anterior apical seta (0.38–0.39 mm, besides the 2 ventral and 1 dorsal preapical setae). Hind tibia with a short subventral spur (0.095–0.10 mm), in contrast to the long spur in Morpholeria spp. Male hind femur (Fig. 2) rather thin, without any peculiar setae or thorns ventrally and basally; with a row of strong thick spiniform setae both anteroventrally and posteroventrally on apical 1/3 (pv-s are so- mewhat stronger); 2 strong dorsal seta subapically. Hind tibia comparatively thick, without any modifications, apically with 3 transverse rows of short closely set setae. Dorsal preapical seta 0.28 mm only (holotype). Abdomen long setose, male postabdomen dirty yellow or greyish yellow. Abdominal sternites quadrate with comparatively long setae. Tergal setae rather long, longest ones of 0.35 mm. Male postabdomen and genitalia as given for the genus. Female unknown.

Remarks – As far as I know, this species is the first representative of the subfamily Heleomyzinae in Vietnam, and even in the Oriental region.

Folia ent. hung. 71, 2010 210 L. Papp

10 C

11 12

Schroederella stylata sp. n., holotype, male genitalia. 8 = ventral part of epandrium, cercus and surstylus, true lateral view, 9 = editum, inner (medial) view, 10 = subepandrial sclerite in broadest extension, inner (medial) view (C: base of cercus), 11 = ejaculatory apodeme, broadest extension in a subdorsal view, 12 = epiphallus and adjoining structures, lateral view (paramere ought to have been seen in this view). Scales: 0.2 mm for Figs 8, 10–12, 0.1 mm for Fig. 9

Folia ent. hung. 71, 2010 New records, genus and species of Heleomyzidae (Diptera) 211

sp. n. (Figs 8–12)

Type material – Holotype male (HNHM): Mongolia, Chemti aimak, 65 km NW of Lager, 1980.IX.8.–X.5., [?pitfall traps], leg. PEREGI.

Description – Measurements in mm (holotype): body length 3.95, length of wing 3.72 and width of wing 1.50. Head yellowish grey, ocellar triangle and occiput dark grey. Longitudinal axis of eye/genal width below eye: 0.43 mm/0.25 mm, i.e. gena rather broad. Facial carina not distinct and narrow. First flagellomere dark grey, its very base, pedicel and scape reddish grey, arista thickened basally, 2nd and 3rd aristomeres 0.035 mm broad, arista about 0.75 mm. Palpi with 1 very strong, laterally directed apical bristle. Anterior fronto-orbital seta only half as long as posterior ors. Peristomals not well arranged more or less in 2 rows. Thorax dark grey, chaetotaxy as in its congeners. 2 strong katepisternals (though broken off on the holotype, their large bases are easily discernible). Wings brownish grey, veins ochre, crossveins not infuscated. Costal setae are not particularly long, longest only 0.13 mm. Terminal section of M vein 1.20 mm, inter-crossvein section 0.87 mm, hind crossvein 0.42 mm. Legs without any modifications. Femora mostly dark grey, apices yellowish. Tibiae and tarsi dirty yellow. Hind tibia with 1 dorsal preapical seta of 0.22 mm. Posteroventral row of hind femur (subapically) consists of 6 thicker but not too long setae, 5 similar setae in an anteroventral row. Hind femur with 3 strong dorsal setae in distal quarter. Abdominal tergites with medium long marginal setae, lateral ones up to 0.29 mm. Abdominal sternites 2–5 quadratic, broader than long, e.g. sternite 4 0.38 × 0.53 mm. Sternites 6–8 complex not particularly strongly sclerotised, sternite 8 only 0.28 mm long dorsally. Sternite 6 and 7 part mostly on the right side, their ventrally placed parts form a partial second concave (!) vault over the phallic complex (I will not discuss here the in- volvement of the remnants of postabdominal tergites). Male genitalia. Epandrium rather small. Cerci, surstyli and edita exactly symmetri- cal. Cerci narrow in lateral view with comparatively long setae (Fig. 8). Gonopods fused to the ventral part of hypandrium and also to basiphallus caudally; anteriorly with 3, posteri- orly with 2 pairs of long thick setae. Distiphallus J-shaped curved, consists of the 2 ribbon-like switched sclerites (as in its congeners). Subepandrial sclerite medium large, without any processes or modifications (Fig. 10). Subepandrial sclerite connected to edita and by a membrane also to cerci. Surstylus long and unusually thin, without dorsocaudal process (Fig. 8). No setose parameres found in this species (Fig. 12); epiphallus (Fig. 12) slightly curved in lateral view. Ejaculatory apodeme (Fig. 11) rod-like, proximal part much broadened. Female unknown.

Remarks – Schroederella stylata sp. n. runs to couplet 6(5) in PAPP &CARLES-TOLRÁ’s (1994) key (three dorsal setae in distal third of hind femur, it has no basal process on surstylus). However, contrary to S. hispanica and S. hungarica, no parameres found in this

Folia ent. hung. 71, 2010 212 L. Papp species. Its surstylus and editum are long and thin, i.e. markedly different (Figs 8–9, cf. figs 8–9, 15, 18 of PAPP &CARLES-TOLRÁ 1994). The new species is not closely related to any of the two Schroederella species, which were described from Hungary rather recently (PAPP 2007).

Etymology – The specific epithet of this new species refers to its thin, long, stylus-like surstylus and editum.

Acknowledgement – The research was carried out with the support of the National Office for Research and Technology (Grant No. VN-10/2006), Hungary.

REFERENCES

CZERNY, L. 1924: Monographie der Helomyziden (Dipteren). – Abhandlungen der zoo- logisch-botanischen Gesellschaft in Wien (1): 1–166. GORODKOV, K. B. 1972: Sistema golarkticheskikh Helomyzidae (Diptera, Acalyptratae). (A system of Holarctic Helomyzidae (Diptera, Acalyptratae).) – Doklady na XXIII ezhegodnom chtenii pamyati N. A: Kholodkovskogo, 2 aprelya 1970 g. Izdatel’stvo Nauka, Leningrad, pp. 50–92. PAPP, L. 1998: 3.41. Families of Heleomyzoidea.– In: PAPP,L.&DARVAS, B. (eds): Contri- butions to a Manual of Palaearctic Diptera, Vol. 3: Higher Brachycera. Science Herald, Budapest, pp. 425–455. PAPP, L. 2007: Further Diptera species new for Hungary. – Folia entomologica hungarica : 111–122. PAPP,L.&CARLES-TOLRÁ, M. 1994: A revision of the West Palaearctic species of Schroe- derella Enderlein (Diptera: Heleomyzidae). – Folia entomologica hungarica : 321–334. PAPP,L.&WO¯NICA, A. 1993: A revision of the Palaearctic species of Gymnomus Loew (Diptera. Heleomyzidae). – Acta Zoologica Academiae Scientiarum Hungaricae : 175–210.

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