Notes on the Superfamily Evanioidea in Sweden with Keys to Families, Genera and Species (Hym., Apocrita) By KARL-JOHAN HEDQVIST Swedish Natural Science Research Council c/o Dept. of Ent., Swedish Museum of Natural History 5-104 05 Stockholm, Sweden Abstract the other Apocrita (Terebrantes) of Hymen- optera in having petiole inserted very high HEDQVIST, K.-J. Notes on the superfamily on propodeum (fig. 1 A, 2, 3). Two genera, Evanioidea in Sweden with keys to families, genera and species (Hym., Apocrita). — Ent. Hybrizon Fall. and C enocoelius Hal. of the Tidskr. 94: 177-187, 1973. family Braconidae, have petiole inserted high The superfamily Evanioidea is revised and on the propodeum, but they have no costal keys are given to the families, genera and species cell in the fore wings. Antennae have 14 occurring in Sweden. All species described by joints in females and 13 joints in males, Thomson are studied and lectotypes selected. maxillary palpi have 6 segments and labial Most of his species are synonymized with species palpi 4 segments. Fore wing with a costal described by Linne and Tournier as follows: cell and hind wing with almost obsolete Gasteruption assectator (L.) =Foenus borealis venation. Thoms., syn.n., F. umipennis Thoms., syn.n., Evanioidea are divided into three families: F. nigritar sis Thoms., syn.n. and F. bidentulus Evaniidae, Aulacidae and Gasteruptiidae. Thoms., syn.n., and Gasteruption minutum (Tourn.) =Foenus longigena Thoms. syn.n. Key to the families of Evanioidea The study of the superfamily Evanioidea 1. Fore wing with two recurrent veins, three in Sweden has been neglected for a long closed discoidal cells and three cubital cells. time. In the year 1883 Thomson treated the Antennae inserted just above a level with genus Foenus F. (a junior name for Gaste- anterior margin of eyes Aulacidae ruption Latr.). He described 6 new species Fore wing with only one recurrent vein or and produced a key to the species of the none, two discoidal cells, if three then the genus. After that time only Roman (1910, third open and two cubital cells or none. 1912, 1917, 1932, 1933, 1939) has contributed Antennae inserted about on a level with to our knowledge of these parasitic wasps by middle of eyes 2. giving some notes on the synonymes of 2. Dis linet, slender petiole as long as gaster. species belonging to Gasteruption Latr., Au- Ovipositor not exserted Evaniidae lacus Jur., Pristaulacus Kieff. and Emilia F. Petiole not distinct, gaster gradually clavate. The superfamily Evanioidea differs from Ovipositor exserted Gasteruptiidae Ent. Tidskr. 94 • 1973 • 3 - 1 178 KARL-JOHAN HEDQVIST Family Evaniidae Sikselherg. —.vu.42 1 ? (K.-J. Hedqvist). - Lule Lappmark: Jokkmokk 29.vu.63 1 ? Two Swedish species belonging to separate (K.-J. Hedqvist). genera, readily recogniz ed by the wing vena- tion. Both species are parasitic in the egg Biology: Brachygaster minuta is fairly capsules of cockroaches (Blattidae). common in Sweden. Most of the imagines occur in July and August and can then be caught on bushes and low plants. Specimens Brachygaster minuta (Oliv.) are also seen on flowers such as Asparagus of ficinalis and Angelica archangelica. In Olivier, Enc. m&h. 6: 453, 1791 (Evania minuta). Sweden parasite in oothecae of Ectobius lapponicus (L.). Crosskey (1951) mentions 9. (fig. 1 A) Black with legs and gaster also Blatella germanica (L.) as a host. sometimes dark brown or dark red. Head and thorax with umbilicate punctures, interspaces with very fine striation. Gaster Evania appendigastra (L.) and legs finely shagreened. Fore wing (fig. 1 B) with reduced veins. LiniA, 1758, Syst. Nat. ed. 10, 1: 566 (Ichneumon appendigaster). d. Similar to the female but with scape Syn: Evania laevigata Olivier, 1791, Encycl. a little longer than 2nd and 3rd joints com- mah., 6: 453. bined. Evania fuscipes Illiger, 1817, Fauna Length: 3-4.5 mm. Etrusca ed. 2, 2: 83. Distribution: Europe. 9. Black with legs and gaster dark brown. Material seen from Sweden: Head shining with fine punctures, face with few scattered small pits and fine, white S k ån e: Åhus 5.vn.63 1 9, 18.vii.60 1 9 (K.-J. Hedqvist); Brösarp 11.vii. 56 1 9 (K.-J. hairs. Matar space as long as half the length Hedqvist) ; Kullaberg 25.171.64 1 9 (K.-J. Hed- of an eye. Mandibles with two teeth. Occiput qvist) ; Skäralid 21.111.49 1 9 (0. Lundberg) ; margined. POL nearly twice 00L. Antennae without loc. 4 a (C. H. Boheman). — S m å- inserted nearer to mid ocellus than to base 1 a n d: Strömserum 16.vD.42 1 ? (0. Lund- of clypeus. Thorax with mesonotum shining blad) ; Bodafors 16.v11.40 1 9 (0. Lundblad) ; and notauli deep, and with fine micro- Hornsö, Långemåla 18.v11.42 1 9 (0. Lundblad) ; punctures and few scattered small pits all Myresjö, Bjädersjöholm 12.1x.22 1 ? (D. Gau- over the mesonotum. Scapulae with parapsidal nitz) ; Loftahammar, Bjursund 17.v11.68 1 9 (V. furrows. Scutellum with the same punctura- Norling); without Im 6 a (C. H. Boheman). — tion as mesonotum. Thorax laterally with Ölan d: Borgholm 10.vi1.23 1 9 (E. Wahl- gren) ; without loc. 1 9 (C. H. Boheman). — micropunctures and scattered pits. Propo- Go tlan d: Visby 24.v11.56 1? (0. Lundblad) ; deum with coarse shallow reticulation. Legs without loc. 1 9 (C. H. Boheman). — Öste r- with very fine micropunctures, hind tibiae g ö tlan d: Simonstorp 8.v11.62 1 2 (B. Ehn- and hind coxae with scattered small pits. ström) . — Upplan d: Almunge, Harpabol 29. Gaster shining with only a band of white viii.52 1 ? (0. Lundblad). — Giistrikland: small hairs on each tergite. The whole body Hille 15.viii.49 1 y (Kj. Fahlander). — D a- with more or less dense white pubescence. larn a: Hamra Nationalpark 17.v11.27 1 (0. 9 Ovipositor not exserted. Fore wing see fig Lundblad). — Hälsingland: Järvsö 1 G. 13 1 9 (Chr. Aurivillius). — Jämtlan d: Frösön 4.viii.33 1 9 (Kj. Fahlander). — V ä s- 8. Similar to the female but 3rd and 4th ter b o t t e n: Hällnäs 24.v1.54 1 y (K.-J. Hed- joints of antenna longer. qvist). — Norr b o t t e n: Sören 29.v11.71 1 9 Length. 8 9 mm. (K.-J. Hedqvist). — Lycksele Lappmark: Distribution. Cosmopolitan. Enrot. Tidslo•. 94 • 1973 • 3 - 4 NOTES ON THE SUPERFAMILY EVANIOIDEA IN SWEDEN 1 79 Fig. 1. A—B. Brachygaster minuta (Oliv.). A, Female, B, Fore wing. — C. Evania appendigastra (L.), fore wing. C Heported from Sweden but no Swedish Syn: Aulacus esenbecki Dahlbom, 1837, Isis specimens seen by the author. (Oken) 4: 176. Biology: Evania appendigastra is mentioned as a parasite of oothecae of Cockroaches, 9. Black with mouthpart and legs red viz. Blatta orientalis L. and Periplaneta ame- (variation in the colour of the legs). Gaster ricana (L.). basally more or less red. Wings with yellowish tint. Family Aulacidae Head shilling with fine punctures, on In Sweden the Aulacidae are represented vertex and temples partly fading out. An- by two genera: Aulacus Jur. and Pristaula- tennae inserted just above the level of cus Kieff., which can be distinguished as anterior margin of the eyes. Malar space follows: about 1/3 the length of an eye. POL = 00L. Occiput with a margin. Thorax dorsally with 1. Claws with more than [wo teeth (fig. 2 D) . fine punctures and transverse striation, Pristaulacus Kieff. laterally with fine punctures and with all Claws with only one too th (fig. 2 C) sutures wrinkeled. Propodeum with strong Aulacus Jur. transverse carinae. Gaster with alutaceous puncturation, at base with longitudinal stria- Pristaulacus gibbator (Thunb.) tion. Ovipositor as long as the whole body Thunberg, 1822, Mem. Acad. St.-Petersh. 8: 270, or longer. Fore wing see fig. 2 E. (Ichneumon gibbator). a. Similar to the female. Ent. Tidskr. 94 • 1973 • 3 - 4 180 KARL-JOHAN HEDQVIST Length: 12.5-15.5 mm Hoby, Sjöarp 12.171.40 2 y, 15.v1.40 2 9, 16.V1.40 7 9 (K.-J. Hedqvist); 17.v1.50 3 y (B. Lekander). Distribution: Pristaulacus gibbator is a — Smålan d: without loe. 1 6 (G. H. Bohe- rare species only known from Sweden and man). — Östergötland: without Mc. 3 9 Germany (Bayern). (P. Wahlerg). — Västergötland: without Material seen from Sweden: Mc. 2 6 (C. FL Boheman). — Upplan d: Ölan d: Böda 3-8.vu.39 1 6 (B. Hansson). Norrtälje —.13(.72 2 9 (C. Tornberg); Munsö — s t er gö tl a n d: without lm 2 y (P. 16.1\7.71 5 6 (R. Baranowski); Munsö —.—.11 Wahlberg). — Södermanland: Järna 15. 1 y (G. A. Ringselle). — D alarna: 1 y, only 111.71 20 9 10 a (R. Baranowski). — U p p- labelled Dalarna. — J ä m tl and: without loc. 1 a n d: Stockholm —.—. 1 9 1 6 (C. J. Schön- 2 y (C. H. Boheman). — Västerbotten: herr). Bygdeå 16.v11.25 1 y (Kj. Fahlander) ; Hällnäs. 12.171.39 1 y 1 6, 73,11.43 1 y, 24.vn. 43 1 y Biology: Several specimens reared by R. (K.-J. Hedqvist). Baranowski from Norway spruce (Picea Biology: Aulacus striatus is a parasite of abies) attacked by Callidium coriaceum Payk. Xiphydria camelus (L.) and Xiphydria pro- (Cerambycidae). longata (Geoff.). Imagines are observed on the blossoms of Apiaceae (Umbelliferae). Aulacus striatus Jur. (Fig. 2 A) Jurine, 1807, Nouv. Mkh. Hym. p. 89, 90. Family Gasteruptiidae Syn: Aulacus arcticus Dahlbom, 1837, Isis (Oken) 4: 174, 175. Only olle genus in Sweden with 6 species, Aulacus exaratus Giraud, 1854, Verh.