SNOUT-BEETLES OR WEEVTLS. 



139 



[Fi-:. 621 



Sub-family MAGDALINIDES. 



Rostrum rather long and cylindrical; 

 scobes linear, comiiienciug near the 

 middle, and reaching the base. Eyes 

 transverse, approximate above. Pro- 

 sternum not excavated. Small spe- 

 cies of an oblong parallel form, glab- 

 rous, usually black or blue, but 

 sometimes reddish. Thorax deeply 

 packani!"''''' '''■'''''-''• '""'"^^ '' P"!^'^-^'"^'"- puuctatc. Elytra punctate and stri- 

 ate. The larvai depredate upon the pine, boring into the pith of the 

 smaller branches. A foreign species is said to have been reared from 

 a larva found in burrows under the bark of willow trees. The M. anni- 

 coUis, Say, inhabits the elm. Xearly all the species belong to the typical 

 genus Magdalis, Germar, of which seven X. A. species have beeu de- 

 scribed. 



|Fip. fi3.| 



Subfamily HYLOBIIDES. 



Rostrum twice as long as the head, cylin- 

 drical, sometimes moderately robust; 

 aerobes deep, linear and oblique. Scape 

 clavate, nearly or quite reaching the eyes. 



The anterior coxa' are somewhat separa- 

 ted. The tibiae usually compressed, often 

 curved, and terminated by a stcmt curved 

 spine. Tarsal claws elongated. Size 

 rather large. Body oblong and pubescent, after Packard. 

 Tlie larvir gnaw galaries nmhu* tlie bark of trees, chietly the pines, 

 ofteu doing much injury. This habit is expressed by the family name, 

 which means, living in tcood. 



The sub-family contains the following N. A. genera : Hylobius, Ger- 

 mar, 3 species. Uiidocimus, Sch., 1. Pissodes, Germ., 5. Heilipiis, Germ., 

 3. LepyruSf Germ., 3. 



IMssoDEs STROBI: — a, larva; b, pupa — 



Subfamily ERIRHINTDES. 



From the Greek ptv, pi><>^, the nose or snout^ with the intensifying 

 prefix ept. Rostrum long and slender. Scrobes commencing at a 

 distance from the mouth and reaching the eyes. AntenniT3 long and 

 slender. Scape sub-clavate. Tibi* slender, not compressed, and usu- 

 ally with a spine or claw at the end. Tliese are distinguished from 

 the Hylobiides chiefly by the form of the tibi* ; but they embrace a 

 number of groups, each of which has some remarkable peculiarity. 



