. Bulletin of the British Museum (Natural History) Entomology. therevine stiletto-flies of the ethiopian region 315 Material examined. Holotype <$, Congo: Brazzaville, Mission Chad-Tchad, vii. 1904 (Dr J. Decorse) (MP). Paratype <$, No. 305, Coll. Mus. Congo (Dr A. Fain) (MCT). Thereva reclusa sp. n. (Text-figs 352, 355, 356, 386-392) Diagnosis. ,$. Similar to analis in general appearance, but genae swollen anteriorly and the posterior surface of this swollen area dull black and with short stiff black hairs. Epandrium (Text-fig. 388) shorter than in analis. $. With two well-separated dul


. Bulletin of the British Museum (Natural History) Entomology. therevine stiletto-flies of the ethiopian region 315 Material examined. Holotype <$, Congo: Brazzaville, Mission Chad-Tchad, vii. 1904 (Dr J. Decorse) (MP). Paratype <$, No. 305, Coll. Mus. Congo (Dr A. Fain) (MCT). Thereva reclusa sp. n. (Text-figs 352, 355, 356, 386-392) Diagnosis. ,$. Similar to analis in general appearance, but genae swollen anteriorly and the posterior surface of this swollen area dull black and with short stiff black hairs. Epandrium (Text-fig. 388) shorter than in analis. $. With two well-separated dull black patches on middle of frons; tergite 7 greyish tomentose. Description. £. Head (Text-fig. 356). Facial index about 0-83. Eyes touching for rather a long distance. Proboscis nearly reaching to level of antennal bases. Palpi only slightly shorter than proboscis, greyish with whitish pile. Upper corner of frons bare and darkened on two small lateral patches. Rest of frons and other parts of head whitish grey tomentose, but genae darker from certain angles, and anterior part of genae slightly swollen. Pile on frons and lateral parts of face black and moderately long, on other parts of head whitish, but some stiff black hairs present behind the darkened swollen part of genae. About 12 post- ocular and occipital setae on each side, slender and moderately long. First and second antennal segments blackish with greyish tomentum; pile long and mainly black. Third antennal segment brownish, slightly daskened near base but actual base brownish. Style blackish. Thorax. Mesonotum greyish to brownish grey and with four darker brownish bands, the two median bands being most distinct and separated only by an indistinct paler mid line. Lateral bands less distinct, especially in front. Mesonotal pile moderately long and consisting of both black and whitish hairs. Scutellum greyish, but greyish brown in front, pile whitish. Pleura greyish with whitish pile. Only 1 sa seta. Dc setae absent.


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