Descriptions of Diptera. 



xcvn 



with blue: breast tawny : abdomen black, tawny at the base beneath : legs pale yel- 

 low; hind thighs pitchy, wings gray, clothed with brown, which is darkest beneath 

 the fore border at three-fourths of the length; wing-ribs pitchy ; veins black, pitchy 

 at the base. Length of the body 8 lines ; of the wings 16 lines. 

 Para. 



Anthrax bistella, 

 Attn, nigro-hirta, metathoracis lateribus cano-hirtis, abdominis apice pilis albis bima- 

 culato, alis limpidis basi et ad costam nigris. 

 Allied to A. hyalacra of Wiedemann. Body very deep black, clothed with short black 

 hairs : eyes pitchy : feelers black : a tuft of hoary hairs on each side of the hmd^chest : 

 abdomen adorned with a tuft of silvery hairs on each side near the tip : legs black, 

 long and slender, clothed with black hairs and bristles : wings colourless, black at the 

 base, and thence along three-fourths of the fore border and one-third of the hind bor- 

 der; the outline of the black hue is concave and very oblique ; wing-r.bs, ve.ns and 

 poisers black. Length of the body 4 lines ; of the wings 12 lines, 

 Para. 



Lepidophora culiciformis, Mas. 

 Nigra, Mr*, abdominis apice pilis piceis ornato, antennis pedibusque nigris, alis nigra. 

 cinereis basi et ad costam nigro-fuscis. 

 Body quite black, clothed with black hairs : eyes pitchy, parted above by a mo- 

 derate interval ; all the facets very small : feelers nearly as long as the chest : neck 

 and sides of the chest beset with black bristles : tip of the abdomen feathered on each 

 side with pitchy plumes : legs black, beset with black bristles : wings dark gray, dark 

 brown at the base and between the fore border and the disk till near the tips ; wing- 

 ribs and veins black ; poisers black, with white tips. Length of the body 6 lines ; of 

 the wings 10 lines. 

 Para. 



Exoprosopa bizona, Mas. 



Nigra pilis rufis hirta, abdomine fascicidis duabus rufis maculis fasciisqm duabus albo- 

 pilosis, antennis pedibusque nigris, alis nigro-facis apice margtneque potto* 

 cinereis. 

 Body black: head clothed with black hairs : eyes red: mouth and feelers black: 

 chest and breast clothed with red hairs ; scutcheon ferruginous : abdomen obcomcal, a 

 little longer than the chest, clothed with black hairs which form a fringe on each 

 side, adorned with a tuft of red hairs on each side of the base, with a round spot of 

 white hairs on each side of the middle, and with two bands of white hairs at the tip : 

 less black, clothed with black down and bristles : wings blackish brown dark gray at 

 the tips and on the disks of some of the areolets along the hind border ; wing-ribs 

 and veins black. Length of the body 6* lines ; of the wings 1 6 lines. 

 Para. 



VIII. APPENDIX. E E 



