206 Universitif of California PuUications. [Entomology 



Body rarely linear and constricted at the middle, pronotum in this case 

 widest behind 1 



1. Arolia free, divergent, usually more or less curved and clavate 2 



— Arolia absent, their place taken by two parallel setae; membrane often 



uniareolate; body robust, polished 5. Deraeocoraria 



2. Body above impunctate, or with fine aciculate punctures only 3 



— Body above, or at least the pronotum, coarsely distinctly punctate, 



polished, callosities prominent i. Capsaria 



3. Form more elongate, parallel or subparallel, cuneus at most but slightly 



depressed and the fracture small 2. Phytocoraria 



— Form more ovate, elytra more distinctly convex, the cuneus strongly 



deflexed and the fracture deep 3. Dichrooscsrtaria 



Division 1. Myrmecoraria Eeut. 



Head constricted into a short neck behind the eyes; clypeus prominent, 

 convex, its base distinct from the front; pronotal collar with a dis- 

 tinct incised line behind 1. Miraoceps Uhl. 



Head not constricted behind the eyes; clypeus depressed, merged with the 



front; stricture of pronotal collar evenescent at its middle 



2. Pithanus Fieb. 



Division 2. Phytocoraria Eeut. 



Body above opaque and impunctate 1 



Body above more or less distinctly polished, sometimes shagreened or 

 aciculate punctate and almost opaque 4 



1. Form linear, constricted at the middle; pronotum produced, almost 



cylindrical before; vertex suleate 1. Paraxenetus Rent. 



— Body not constricted at the middle, pronotum trapezoidal; vertex not 



obviously suleate 2 



2. First antenna! joint thickened and clothed with flattened hairs 



2. Neurocolpus Eeut. 



— First antennal joint without flattened hairs 3 



3. Hind femora linear, terete or nearly so 4. Ecertobia Eeut. 



— Hind femora ligulate, flattened, broadest near the base and tapering 



from middle to apex 3. Phytocoris Fall. 



4. Head not or scarcely vertical, when viewed from the side distinctly 



narrowed below antennae; gula oblique 5 



— Head vertical, thick and cylindrical below antennae; gula nearly or 



quite parallel with tylus 10 



.5. Second antennal joint strongly clavate, fusiform, more tapering toward 

 base 10. Garganus Stal. 



— Second antennal joint sometimes moderately thickened but not strongly 



clavate 6 



6. Vertex not suleate at base 7 



— Vertex suleate at base 8 



7. First joint of hind tarsi shorter than the second 9. Ganocapsus Van D. 



— First joint of hind tarsi much longer than the second. ...8. Stenotus Eeut. 



