THE I,iiXG-lI(»KXED WOOD-BORIXG BEETLES. 1061 



Fall. IF. C. — "'Xew Species of Pogonnclierns «-ith Synoptic 

 Table." in Ent. News, XXL 1910, 5-9. 



The subfamily is divided by LeConte and Horn into 16 tribes, 

 eight of which are kno\vii to be representeil in Indiana, while mem- 

 bers of two others may oci-ur. 



KEY TO IXUI.\:\A TEIBES OF I..\ilII^^E. 



a. Elytra entire: fi'out tibise silicate. 



h. Eh-tra with a spine or jirotubeniiiee ne;ir the scntellum ; size small, 

 not over 6 mm. 

 c. Humeri rounded; elytra convex with large sjdne near the s( ii- 

 tellum ; front coxal cavitii's rounded. 



Tribe I. Ctetixim. \i. Vi'V2. 

 ce. Humeri distinct; el.vtra less convex with oval protuberance near 

 scutellum ; front coxal cavities angulated. 



Tribe II. Psexocebixi. p. lnr,i;. 



'>?/. Eljtra not spinose or protuberant at base; size usually larger or 



mriderate (over 6 mm. except in some Lidiiu-s of Trilae ITi. 



fl. Scape of antennae with an apical cicatrix (except in Dorr-iiftchrinn i ; 



body elongate, sulicylindrical : mostly large species with antennai 



sometimes greatly elongate in male. 



Tribe III. Monohammi?;!. p. lOi;:;. 

 (Id. Scape of autemi;e without apical cicatrix. 



e. Tarsal claws fat least those on front tibiae) divaricate. 



/. Front coxal canities rounded; middle coxal cavities closed or 

 nearly so : ho(l,\- usually broad; antennse usually very long in 

 ;nales. Ti-ibe IV. .Vcvxthoderixi. p. 1ih;!i. 



/"/. Front coxal cavities angulate; middle cavities open. 



g. Tarsal claws simple (except the outer one of front and mid- 

 dle tarsi in some males of f-npcnla i. 

 li. Smaller, somewhat flattened species; thorax with a spine 

 or tubercle on sides. 



Tribe V. Poi.-ixix herixi, ji. lu-sii. 

 7(7/. Larger cylindrical sjiecies: thorax never armed with spine 

 or tubercle. Ti-ibe Vin. S.vpebdini. p. 10s4. 



gg. Tarsal claws cleft or appendiculate. 



Tribe IX. Phytceciixi. p. lOSfi. 

 f e. Tarsal claws divergent. 



i. Front larL'e. flat ; front coxie angulated. 



Tribe VI. 0-Vcidebixi. p. lOs?,. 

 (/. Front indexed ; form very slender and elongate. 



Tribe ■\'II. Hippopsixi, p. 1083. 



(la. F.l.rtra about half the lencrlh of abdomen: front tibi.e not sulcate; front 



coxal cavities angiilnte<l. widely oipcu behind: eyes very large, divided. 



Tribe X. Methiixi. p. 109."j. 



