SYNOPSIS OP THE TRIBES. XVII 



H B. Elytra much shortened, usually covering less iluiu hulf „f the abdomen; au- 



tennae more or less moniliforni rp^.^/ . y 



A A. Anterior and middle tarsi 5-jointed, hind tarsi 4-jointed; 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 llexible; antennie filiform, sometimes serrate or pectinate; anterior 

 coxte prominent and contiguous; colors various, and often diversified • larva- 



iisually pantsitic Tribe XII. 



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

 firm ; color black or brown ; rarely diversified. 

 I.. Antenme filiform; anterior coxie somewhat prominent, and nearly or quite 



contiguous; color mostly brown, sometimes iilack; larva) sub-cortical 

 r F A . - Tribe Xin. 



l.h. 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; larv;e mostly terrestrial. 



vr vr I Tribe XIV. 



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



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



larviB 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 ; anlenuie usually 



capitate ; larva; fructivorous Tribe XVI 



N N. Head not prolonged into a snout. 

 O. Antennae clavate or capitate; tarsi not dilated; furm sub-cylindi-ical ; 

 size small ; color brown or black; larvjt lignivorous. . .Tribe XVII. 

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

 towards the tip; tarsi always dilated and bnish-likc bcneatli, with 

 the penultimate joint usually bilobed. 

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

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

 rious; larvie lignivorous Tribe XVIII 



P P. Form short, and more or less oval; antenme filiform, or ii little 

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

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



larvje herbivorous Tribe Xix' 



A A A A. Tarsi usually apparently 3-joiuted, sometimes 4 or'o-jointed, the j^oints 



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



deeply bilobed; antenna; usually strongly clavate, rarely sub-clavate 



Ci. Form oval or oblong; antenme of moderate length; colors red and black 



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



QQ. Form nmnd.'d, or sub-hemispherical ; antenna- very short; colors mo.stly 



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



I 



—C 



