EMPIS. INSECTS. 383 



II. Antennae of two joints, the last almost globular or ovoid, and terminated by a 

 seta. 



Gen. HEMERODROMUS, Sicus, DRAPETIS. 



Gen. EMPIS, Lat. 



Rostrum projecting, almost cylindrical or perpendicular ; suck- 

 er of four setae ; antennae of three pieces, the last conical, 

 subulate, and terminated by a stiff point ; head small, round- 

 ed ; eyes large ; thorax rounded ; wings oval, generally long- 

 er than the abdomen ; balancers elongated, terminated in a 

 rounded button ; abdomen cylindrical or conical ; legs long. 



E. livida, Lat. Lin. Livid cinereous, with some black hairs ; tho- 

 rax with three longitudinal black lines ; feet obscure fawn-colour- 

 ed, with the tarsi black ; wings transparent, with the base red- 

 dish. 4 lines long. Inhabits Europe, in fields and gardens. 

 Shaw, vi. pi. 110. 



E. borealis, Lin. Body black, without spots ; thorax thick, elevat- 

 ed ; abdomen slender, elongated, pointed at the extremity, that 

 of the male terminated by two hooks, of the female by two move- 

 able pieces ; wings very large, obscure brown ; legs and tarsi 

 black. 5 lines long. Northern Europe Shaw, vi. pi. 110. 



TRIBE IX. AXTHRACII, Lat. 



Body short and broad, not raised on the back ; wings distant ; 

 head exactly applied against the thorax, and on the same 

 level. 



1. Rostrum long, projecting. 



Gen. CORSOMYZA, MULIO, NEMESTRINA, FALLENIA. 



2. Rostrum scarcely longer than the head. 



Gen. HERMONEURA, ANTHRAX, STYGIS, TOMOMYZA. 



Gen. ANTHRAX, Fab. Lat. Musca, Lin. 

 Palpi interior ; rostrum slightly projecting ; antennae with the 

 first joint longer than the second, pear-shaped, and termi- 

 nated abruptly in a long awl-shaped elongation, with a very 

 distinct style. 



The insects of this genus are small, fly *.vith much lightness, and are found on 

 flowers. The wings are transparent and colourless, or opaque and coloured. 



A. morio, Lat. Body black, hairy, with two white spots formed by 

 the hairs at the extremity of the abdomen ; wings blackish brown, 

 with the extremity white and transparent, and the feet black. 

 Six lines long. Inhabits Europe. Nouv. Diet. ii. 159. 



TRIBE X. BOMBYLIARII, Lat. 



Head low, and the thorax elevated and gibbous ; balancers nak- 

 ed; abdomen triangular or oblong; rostrum directed forwards ; 

 antennae approximated at their base, generally terminated by 

 a seta and without a style. 



1. Abdomen cylindrical or oval. 



