292 DIPTERA. 
Apical cross-vein less conspicuous ; fourth vein curved upwards 
at its extremity only; apical cell widely openel at the tip of 
the wing. .- » - 12, 
10. Antenne at their base slightly separated by. a carina "(body 
grey, or partly rufous, with a well-defined black pattern). . Graphomyia, Rob.-Desv. Doo 
_— 
Antenne not separated by a carina . . ll. 
1l. Middle tibize with a bristle on the inner side apical cell widely 
opened ; mediastinal cell sometimes very elongate . . . Mesembrinella, Gigl.-Tos.”, . ., 
Middle tibie without bristles on the inner side; apical cell 
somewhat narrowly opened . . . «ee + + + + Morelia, Rob.-Desv. 
12. Eyes pilose 2... 6 ew ee ee eee es Myiospila, Rond. 
Eyes bare. . . . s - - woe ew ew ew ew ew 1, 
13. Arista short-plumose on the upper side only ;_ coloration 
testaceous, the abdomen partly metallic . . . . . ~. « Hemichlora, v. d. Wulp. 3° 
Arista plumose on the upper and under sides; no metallic 
coloration . . . « -» ° . . . 14. 
14. First vein terminating at the middle of the costa ; fourth ¥ vein 
with a distinct curvature near the tip of the wing . . . . Muscina, Rob.-Desv. 
First vein terminating before the middle of the costa (medi- 
astinal cell very small) ; fourth vein scarcely curved upwards 
atitsdistalend . . . ee ee eee we ee Clinopera, v.d. Wulp.? 6 
STOMOXYS. 
Stomoxys, Geoffroy, Hist. abr. des Ins. ii. p. 588 (1764). 
1. Stomoxys calcitrans. 
Conops calcitrans, Linn. Faun. Svec. p. 467 ', 
Stomoxys calcitrans, Fabr. Syst. Antl. p. 280°; Meigen, Syst. Beschr. iv. p. 160 >; Macq. Dipt. 
Exot. ii. 8, p. 114*; Schiner, Faun. Austr. i. p. 578°; id. Reise der Novara, Dipt. p. 311° 
van der Wulp, Dipt. Sumatra-Exped. p. 43°; Rond. Arch. per la Zool. ul. p. 32°; v. Rider, 
Stett. ent. Zeit. 1886, p. 347°. 
Stomozys tessellata, Fabr. Syst. Antl. p. 281”. 
Stomoxys sugillatriz, Rob.-Desy. Essai sur les Myodaires, p. 386". 
Stomoxys aculeata, Rob.-Desv. loc. cit. p. 386". 
Stomoxys pungens, Rob.-Desv. loc. cit. p. 386. 
Hab. Mexico, Orizaba (H. H. Smith and F. D. Godman), Mexico city, Teapa and 
Frontera in Tabasco (H. H. Smith); Costa Rica, Caché and Rio Sucio (Hogers).—Soutu 
America, Brazil!!; Anrittes, Porto Rico 9—-Evuropr1~*; Cuina®; Cryton®; Java ®; 
Sumatra? ; Canary Is.4; S. Arrica’; AUvsTRALia, Sydney ®. 5 
Several specimens of both sexes of this species have been received from Mexico and 
Costa Rica. 
