Cordilura richterae Ozerov & Krivosheina
- Dataset
- Two new species of the genus Cordilura Fallén, 1810 (Diptera, Scathophagidae) from the Russian Far East
- Rank
- SPECIES
- Published in
- Ozerov, A. L., Krivosheina, M. G. (2015): Two new species of the genus Cordilura Fallén, 1810 (Diptera, Scathophagidae) from the Russian Far East. Zootaxa 4040 (4): 489-493, DOI: 10.11646/zootaxa.4040.4.11
Classification
- kingdom
- Animalia
- phylum
- Arthropoda
- class
- Insecta
- order
- Diptera
- family
- Muscidae
- genus
- Cordilura
- species
- Cordilura richterae
description
Description. Male. Length of body 6.3 – 6.4 mm. Length of wing 5.5 – 5.6 mm. Head. Frontal vitta yellow, matt; fronto-orbital plate black in upper half and yellow in lower half, whitish dusted. Ocellar triangle black. Face and parafacial whitish. Gena yellow-whitish dusted. Postcranium black, thinly greyish dusted, with black setae in upper third and pale hairs in lower part. Setae: 2 orbitals, 4 frontals, 1 ocellar, 1 inner vertical, 1 outer vertical (approximately 0.5 times as long as inner vertical in paratype and subequal in holotype), 1 small postocellar; 1 pair of strong vibrissae and 1 – 2 pairs of subvibrissae present. Antenna yellow. Postpedicel rounded apically, approximately 1.5 times as long as wide. Arista yellow, plumose in basal third and the rest bare. Palpus, clypeus and proboscis yellow. Palpus with a long apical seta. Thorax black, scutum subshining, thoracic sclerites greyish dusted. Acrostichal hairs in two rows, dorsocentrals 3 + 3 (first presutural short and directed anteriorly), intra-alars 1 + 1, supra-alars 1 + 2, 2 postpronotals, 2 notopleurals (the posterior approximately 0.5 times as long as anterior), 2 postalars. Proepisternum with pale hairs and 1 – 2 black or yellow setae near ventral margin. Proepimeron with 1 yellow seta ventral to spiracle. Anepisternum with a few pale hairs in posterior half and 2 black setae near posterior margin. Katepisternum with black hairs in ventral corner and posterior half, also with 1 strong long black seta in posterodorsal corner. Anepimeron bare. Scutellum with a pair of strong lateral setae and a pair of apical setulae. Legs. Ground-colour yellow. Coxae of mid and hind legs black, mid and hind tibiae darkened. Fore femur with a row of anterior setae in apical half, additionally with long hairs on ventral surface. Fore tibia with 1 posterodorsal, 1 anterodorsal, 2 posteroventral, 1 dorsal preapical setae, and apicals: ventral, anterodorsal, posterodorsal, anteroventral and posteroventral. Mid femur with an anterodorsal preapical seta, additionally with a long hair basally on ventral surface. Mid tibia with 0 – 1 anterodorsal, 2 – 3 posterodorsal, 1 – 2 posterior, 0 – 1 anterior setae, and with ring of apicals. Hind femur with 2 – 3 long hairs ventrally and 1 dorsal preapical setae. Hind tibia with 2 – 3 posterodorsal, 3 – 4 anterodorsal setae, 1 dorsal preapical seta, and apicals: anterodorsal, posterodorsal, 0 – 1 posteroventral (present in holotype and absent in paratype) and anteroventral. Wing tinged with brownish; veins pale brown. Vein R 1 bare. Calypters, including margins, and halter whitish. Abdomen cylindrical, black, thinly greyish dusted. Syntergite 1 + 2 with rows of discal and marginal setae, longer on lateral sides; tergites 3 – 6 each with a row of marginal setae, longer on lateral sides. Male sternites 4 and 5 as in Fig. 2. Epandrium, cerci and surstyli as in Figs 3, 4. Female unknown.
distribution
Distribution. Russia: Primorskiy Kray. Comparisons. The new species resembles Cordilura sidorenkoi Ozerov & Krivosheina, 2012 b in the structure of the genitalia and abdominal sternite 5. These species can be distinguished from each other as follows:
etymology
Etymology. The species is named in the honour of the late Russian dipterist Dr. Vera Andreevna Richter, the collector of type specimens, who has made substantial contributions to the study of Asilidae and Tachinidae.
materials_examined
Material examined. Holotype male, Russia: Sakhalin Oblast, Kuril Islands, Iturup I., Rybaki (45.2076824 N 147.8485107 E), 23. VI. 1968 V. Richter (in ZISP). The holotype is pinned; the left hind leg is missing but otherwise it is in good condition. Paratype male, Russia: Sakhalin Oblast, Kuril Islands, Iturup I., Kurilsk (45.2252 N 147.8754 E), 25. VI. 1968, V. Richter (in ZMUM).