116 ME. WALKER'S CATALOGUE OE DIPTEROUS INSECTS 



domen with a gilded band on the hind border of each segment. Legs 

 testaceous ; femora hardly stout, with black stripes ; hind trochanters and 

 fore tarsi black ; hind tibiae with black tips ; posterior tarsi with black 

 bands. Wings cinereous ; veins black. Halteres testaceous. Length of 

 the body 6 lines ; of the wings 11 lines. 



61. Lapheia detecta, n. s., mas. Atra, eapite postico pectoreque albido- 

 tomentosis, thorace macula laterali pallida aureo-tomentosa, abdomine basi 

 albo piloso macuhs tribus laterahbus aurato-tomentosis, pedibus fulvis, 

 femoribus nigro-vittatis, tarsis nigris basi fulvis, ahs limpidis dimidio fere 

 apicah nigricante. 



Male. Deep black. Head behind and pectus with whitish tomentum. My- . 

 stax with very few black bristles. Third joint of the antennae nearly 

 linear, elongate- conical towards the tip, very much longer than the 1st and 

 the 2nd together. Thorax with a spot of pale gilded tomentum on each 

 side, in front of the base of the wing. Abdomen with white hairs at the 

 base, and with three spots of gilded tomentum on each side. Legs tawny ; 

 coxae and trochanters black ; femora rather thick, with black stripes, which 

 are very short on the hind pair ; tarsi black, tawny at the base. Wings 

 limpid, blackish for nearly half the length from the tips ; veins black, 

 tawny in the limpid part. Halteres very pale yellow. Length of the body 

 6| lines ; of the wings 11 lines. 



Subfam. Asilites, Walk. 

 Gen. Trupanea, Maeq. 



62. Trupanea Amorges, Walk. Cat. Dipt. pt. 2. 391 (Asilus) ; 2nd ser. pt. 3. 

 612. 102. 



63. Teupanea inseeens, n. s., mas et foem. Nigra, fusco-tomentosa, facie 

 pectoreque subauratis, mystace supra albido subtiis nigro, antennis pedibus- 

 que nigris, thorace vittis quinque nigris, abdominis segmentis cano inter- 

 rupts marginatis, alis fuscis. 



Male and Female. Black, with brown tomentum. Face and pectus with 

 pale, slightly gilded tomentum. Mystax with some whitish bristles above, 

 and with very few black bristles beneath. Antennae black ; arista as long as 

 the 3rd joint. Thorax with five black stripes. Abdomen rather slender, 

 moderately long ; hind borders of the segments with slightly interrupted 

 hoary bands. Legs black ; tibiae ferruginous above, except towards the 

 tips. Wings brown ; veins black ; 3rd externo-medial vein joining the 4th 

 far from the base. Halteres tawny. 



Male. Sexualia moderately large. Female. Abdomen attenuated, not stylate. 

 Length of the body 6 lines j of the wings 9-10 lines. 



Gen. Asilus, Linn. 



64. Asilus Barium, Walk. See p. 14. 



65. Asiltjs flageans, n. s., fcem. Piceus, eapite pectoreque aureo-tomen- 

 tosis, mystace aureo, antennis fulvis, thorace strigis duabus obliquis late- 

 rahbus vittisque duabus aureo-tomentosis, abdominis segmentis testaceo- 



