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Number 170: 1-4

ISSN 1026-051X

March

2007

NEW SPECIES OF THE GENUS SCATHOPHAGA MEIGEN (DIPTERA, SCATHOPHAGIDAE) FROM THE RUSSIAN FAR EAST A. L. Ozerov
Zoological Museum, Moscow Lomonosov State University, Bol'shaya Nikitskaya 6, Moscow 125009, Russia. E-mail: ozerov2455@rambler.ru A new species of the family Scathophagidae Scathophaga eoa sp. n. is described from the Russian Far East. KEY WORDS: Diptera, Scathophagidae, new species, Scathophaga, Russia, Far East. . . . Scathophaga Meigen (Diptera, Scathophagidae) // . 2007. N 170. C. 1-4. Scathophaga eoa sp. n. Scathophagidae. , . .. , ., 6, 125009, . INTRODUCTION A new species was found as a result of the examination of specimens of the genus Scathophaga Meigen (Diptera, Scathophagidae) in the collection of Zoological Museum of the Moscow State University (ZMUM). The description of this species is given below. 1

Holotype and paratypes of a new species are deposited in the collection of Zoological Museum of Moscow State University (ZMMU). Scathophaga eoa Ozerov, sp. n. Figs 1-3 MATERIAL. Holotype , RUSSIA, Primorskii krai: environs of Lazo (43.380674 N, 133.895190 E), 21.IX 1987 (A.L. Ozerov) (ZMMU: registration number Di-0248). Paratypes: Primorskii krai: the same label as holotype, 1, 1; Lazovskii Natural Reserve, "Ta-Chingous", 20-30.IX, 2.X 1948, 4, 2 (Gussakovskiy); 32 km SE of Ussurisk [Kamenuschka], 18.IX.1987, 1 (A.V. Antropov). Amurskaya oblast': environs of Zeya, 14 and 29.VIII 1981, 3 (A.I. Shatalkin); the same place, 19.VII, 13.VIII 1981, 2, 1: (A.L. Ozerov); Selemdzhinskii District, Selemdzha River, 5-6 km up-stream of Ekimchan, up-stream of Unerikan Rill mouth, 495 m a.s.l., on fresh human feces in riverside larch forest with Poaceae gen. spp, Polytrichum commune etc., 31.VIII 2006, 7, 2 (A.B. Ryvkin). DESCRIPTION. MALE, FEMALE. Front reddish-yellow, matt, with greyish pollen along margin of eye. Gena, parafacial and face yellow, with goldish pollen. Ocellar triangle black. Postcranium black, with greyish pollen. Scapus and pedicel reddish-yellow, postpedicel blackish. Palpus yellow, prementum dark brown. Frontal vitta bare. Head with 35 frontals, 3 orbitals, 1 ocellar, 1 posteroventral, 1 outer vertical, and 1 inner vertical setae. Postcranium with short black setae and hairs in upper part and fine long yellow hairs in lower part. Gena with several setae along lower margin (yellow to black). 3-5 vibrissae present. Postpedicel rounded apically, approximately 3.0 times as long as wide in male and about 2.0 times as long as wide in female. Arista short haired on whole length. Palpus long, narrow, and gradually somewhat widening towards apex, with yellow and black setae. Thorax black, with greyish pollen. Scutum with four brownish stripes. Anepimeron, katatergite, anatergite, mediotergite, meron, katepimeron, and metepisternum bare; the rest pleural sclerites with long yellowish hairs. Postpronotum with yellowish hairs, the rest hairs and setulae on scutum brown or black. Scutum with 2 postpronotals, 2 notopleurals, 1+(2-3) supra-alars, 1+2 intraalars, 2 postalars, 2+3 dorsocentrals, 1 acrostichal setae; acrostical hairs in two rows; 1 proepisternal and 1 proepimeral setae, but offen not differ from around hairs; anepisternum with 3 black setae near upper posterior corner; katepisternum with 1 strong seta in upper posterior corner. Scutellum with 2 strong basal, 2 strong apical, and with 2 moderate discal setae. Posteroventral area of thorax behind and above hind coxae between metepimera with narrow sclerotized bridge. Legs yellow, but first femur in several specimens partly blackish. Male: femora and tibiae with numerous yellow hairs; mid femur with apicals pd and p; mid tibia with 3 p, 2 ad and ring of apicals; hind tibia with 23 ad, 3 pd, and apicals ad, pd and av. Female: femora and tibiae with yellowish or blackish hairs, shorter than in 2

Figs 1-3. Scathophaga eoa sp. n.: 1) sternite 5 of male; 2) epandrium and surstyli, dorsal view; 3) the same, lateral view.

male; first femur with row of pd, first tibia with 3 ad, 1 p near middle and apicals p and pd; mid femur with row of a and strong p and pd apically; mid tibia with 1 a, 1 v, 3 p, 2 ad and ring of apicals; hind femur with row of ad and usually row of hairlike av; hind tibia with 68 ad, 34 pd, and apicals ad, pd and av. Wing tinged with brownish, without clouding on crossveins; veins brownish. Haltere yellow. Abdomen black, greyish pruinose, with numerous yellow hairs; male without setae, female with moderate black setae along posterior margin of each tergite. Female sternite 7 shining, without pollen. Male sternite 5 as in Fig. 1. Epandrium with numerous yellow hairs; each cercus with long dorsoventrally flattened process ventrally, well noticable from above; surstyli long (Figs 2, 3). 3

MEASUREMENTS. Length of body 5.1-11.0 mm, length of wing 5.0-10.0 mm. DIAGNOSIS. Scathophaga eoa sp. n. may be separated from all other species of the genus Scathophaga by the following combination of characters: anepimeron bare, arista short haired on whole length, narrow metepimeral bridge present, cercus with long process. The new species is similar in appearance to S. intermedia (Walker, 1849), but anepimeron of last species with hairs.

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Far Eastern entomologist (Far East. entomol.) Journal published since October 1994. Editor-in-Chief: S.Yu. Storozhenko Editorial Board: A.S. Lelej, V.S. Sidorenko, N.V. Kurzenko Address: Institute of Biology and Soil Science, Far East Branch of Russian Academy of Sciences, 690022, Vladivostok-22, Russia. E-mail: entomol@ibss.dvo.ru FAX: (4232) 310 193