SYNOPSIS OF THE TRIBES. XVII 



B B. Elytra much sliorteaed, usually covering less than half of the abdomen ; an- 

 tennae more or less moniliform ; Tribe V. 



A A. Anterior and middle tarsi 5-jointed, hind tarsi 4-.iointed; the joints slender, 

 sparsely haired or spinous, sometimes silky or pubescent beneath, but never 

 dilated, brush-like and bilobed as in the remaining sections; except some- 

 times the penultimate joint in parts of Tribes XII and XIII. 

 K. Head as wide as the thorax, and attached to it by a neck ; body rather soft and 

 elytra flexible; antennae filiform, sometimes serrate or pectinate; anterior 

 coxae prominent and contiguous ; colors various, and often diversified ; larvae 



usually parasitic Tribe XII. 



K K. Head narrower than the thorax, and usually partly inserted in it; body 

 firm ; color black or brown ; rarely diversified. 

 L. Antennae filiform ; anterior coxae somewhat prominent," and nearly or quite 

 contiguous ; color mostly brown, sometimes black ; larvae sub-cortical. 



Tribe XIII. 



L L. Antennae sometimes filiform, but usually more or less clavate; anterior 



coxae small, depressed, and never contiguous. 



M. Antennae usually moderately and gradually enlarged towards the tip, but 



sometimes filiform, and usually as long as the head and thorax ; body 



oblong; color black or dark metallic; larvie mostly terrestrial. 



Tribe XIV. 



M M. Antennae usually short and perfoliate; body short, oval or subquad- 



rate; color brown, or black with red spots, sometimes metallic; 



larvae fungivorous Tribe XV. 



AAA. Tarsi apparently 4-jointed, with all the joints, except the last, dilated, brush- 

 like beneath, and with the penultimate joint usually bilobed, (except 

 Scolytidae.) 

 N. Head more or less prolonged into a snout or rostrum ; antennae usually 



capitate ; larvae fructivorous Tribe XVI. 



N N. Head not prolonged into a snout. 

 O. Antennae clavate or capitate ; tarsi not dilated ; form sub-cylindrical ; 

 size small ; color brown or black ; larvae lignivorous. . .Ti'ibe XVII. 

 O O. Antennae usually filiform or setaceous; sometimes slightly widened 

 towards the tij) ; tarsi always dilated and brush-like beneath, with 

 the penultimate joint usually bilobed. 

 P. Form elongated; antennae almost always long, and filiform or seta- 

 ceous ; often as long as the body or longer ; size and colors va- 

 rious ; larvae lignivorous Tribe XVIII. 



P P. Form short, and more or less oval ; antennaB filiform, or a little 

 thickened towards the end, and never much more than half as 

 long as the body ; size below medium or small ; colors various ; 



larvae herbivorous Tribe XIX. 



A A A A. Tarsi usually apparently 3-jointed, sometimes 4 or 5-jointed, the joints 



dilated and brush-like beneath, with the penultimate joint usually 



deeply bilobed ; antennae usually strongly clavate, rarely sub-clavate. 



Q. Form oval or oblong; antennae of moderate length; colors red and black, 



usually arranged in large spots or stripes; habits fungivorous . . .Tribe XX. 



. Q Q. Form rounded, or sub-hemispherical ; antennae very short; colors mostly 



red and black, arranged in dots ; habits carnivorous Tribe XXI. 



— C 



