LIST OF DIPTERA. 



673 



crown : mouth pitchy : feelers ferruginous ; first joint tawny be- 

 neath ; second joint much more than twice the length of the first ; 

 third joint conical, broad at the base, a little longer than the first ; 

 fourth and following joints very short : chest and breast partly 

 covered with pale yellow down; a tawny spot on each shoulder: ab- 

 domen linear, but not very slender for about one-third of the length 

 from the first segment, which is broader, spindle-shaped thence to 

 the tip ; hind borders of the segments hoary ; a slight ferruginous 

 mark on each side of the tip of the second segment ; hind borders 

 of the segments hoary : legs tawny : hips pitchy ; thighs somewhat 

 pitchy on the upper side; tips of the claws black : wings colourless, 

 dark brown especially on the sides of the veins along the fore bor- 

 ders for nearlv half the breadth ; wing-ribs tawny ; veins black 

 pitchy towards" the base; poisers tawny, pitchy at the base. Length 

 of the body 4i lines ; of the wings 6i lines. 



Conops maura, n. s. Nigra, capite fulvo, thoracis humeris fulvo 

 maculatis, scutelloferrugineo, abdomine fulvo quadrifasciato, an- 

 lennis piceis, articulo 2° basi ferrugineo, pedibus piceis,femori- 

 bus basiferrugineis, tibiis fulvis apice piceis, tarsis anterioribus 

 fulvis, alisfulvo-fuscis, margine postico limpidis. 

 Body black: head bright tawny, ferruginous on the crown, in 

 front of which there is a black band and a black stripe, the latter 

 reaches the base of the feelers : eyes pitchy, red above and along 

 the inner border: mouth pitchy: feelers pitchy ; second joint pubes- 

 cent, more than twice the length of the first joint, ferruginous at the 

 base ; third joint shorter than the first, widened near the base, ta- 

 pering thence to the tip : a tawny spot and a smaller spot of yellow- 

 ish white down on each shoulder ; scutcheon ferruginous : abdomen 

 linear, and rather slender for near one-third of its length from 

 the base, spindle-shaped thence to the tip, adorned with four dull 

 tawny bands of down : legs pitchy ; thighs ferruginous at the base : 

 shanks tawny, with pitchy tips ; four front feet tawny ; claws black : 

 wings tawny brown, especially along the borders of the veins for the 

 whole length, and for more than half the breadth from the fore bor- 

 der, elsewhere colourless ; the brown hue forms an angle, which ex- 

 tends over the lower cross-vein ; wing-ribs ferruginous ; veins 

 pitchy ; poisers tawny, pitchy at the base. Length of the body 6 

 lines ; of the wings 10 lines. 



