180 GENERIC SYNOPSIS. 
Division 2, Brachocera Macquart. 
Stirps 1. Notacantha Latr. 
Family 1. (or 3.) STRATIOMIDZ Westw. (Stratiomydes 
LLatr.) 
PACHYGASTER Meig. Varro Latr. 2sp. V. ater Fab. Curt. 42. 
Third joint of antenne large, subhemispherical, subarticulated, with a dorsal 
arista; abdomen globose ; scutellum unarmed ; discoidal cell large. 
SARGUS Latr. Nemoretus p. D.G. 5 sp. M. cuprarius L. Curt. 305. 
Palpi indistinct, replaced by two points; antennz with the third joint scarcely 
larger than the second, and apparently composed of several joints united to- 
gether with a subterminal seta; scutellum not spined; abdomen elongate- 
ovate. 
CHRYSOMYIA Macq. Cutoromyra Dune. 4 sp. M. politus L. Donov. pl.142. f.1. 
Differs from Sargus in the eyes of the g united, and the proboscis with short 
palpi. 
NEMOTELUS Fab. Musca p. Linn. 4 sp. M. pantherinus L. Curt. 729. 
Third and three following joints forming an oyate-conic mass, with a terminal 
biarticulate style; labium greatly elongated. 
CLITELLARIA Meig. Erutrrium Latr. 1 sp. C. Ephippium F. Steph. pl. 46. f.1. 
Third and four following joints of the antennz forming a subulated mass, with 
a terminal biarticulate style; eyes villose ; abdomen very broad. 
OXYCERA Meig. Musca p. Linn. 9 sp. M. trilineata L. Curt. 441. 
Third and three following joints of antenne forming an oval mass, terminated 
by a style composed of two terminal joints; eyes ¢ villose; abdomen sub- 
orbicular. 
STRATIOMYS Geoffr. Opontomyta p. Sam. 5 sp. M. chameleon L. 
Proboscis very short; basal joint of antenna much longer than second ; terminal 
joints forming a fusiform club, without a style; scutellum spined. My fig. 
WT els 
ODONTOMYIA Meig. Musca p. Linn. 8 sp. M. Hydroleon L. Pz. 58. 19. 
Basal joint of antennz shorter; proboscis slenderer ; wings generally with four 
posterior cells. 
Family 2. (or 4.) BERIDA Westw. (Decatoma p. Latr. 
Xylophagide Steph. Xylophagi p. Meig. Xylophagii Mucq. ) 
SUBULA Meig. Xytornacus B. Meig. 1 sp. S. maculata F. My fig. 127. 19. 
Scutellum unarmed ; antennz 10-jointed ; eyes ¢ apart. 
BERIS Latr, Srratiomys p. Geoffr. 11 sp. M. eclavipes Linn. Curt. $37. 
Scutellum 6- or 8-spined; antenne 10-jointed; eyes contiguous $; palpi ob- 
solete. 
ACTINA Meig. Beris p. Macq. 1 sp. A. tibialis Meig. Steph. pl. 46. f. 2. 
Scutellum 4-spined ; palpi long; eyes apart in ¢. 
Family 3. (or 6.) CA@NOMYIDE Westw. (Sicarii Latr.y 
Macq. Xylophagi p. Meig.) 
XYLOPHAGUS Meig. A. Nemoretus D.G. 2sp. X.ater Fab. My fig. 127. 16. 
Antennz 10-jointed, basal joint long ; ovipositor of 2 elongated ; eyes distant 3. 
