HOW TO KNOW THE IMMATURE INSECTS 



1 03a. Ambulatorial warts present ventrally on 2nd to 5th abdominal 

 segments. Fig. 301 Subfamily Calopodinae, OEDEMERIDAE 



The larvae have been found in 

 old wood or under bark. It is a 

 ' very small subfamily. 



Fig. 301. Calopus ongustus Lee. 



103b. Ambulatorial warts absent 



104a. 9th abdominal venter simple, without conical points. 



104 

 105 



104b. 9th abdominal venter wdth a conical point on each 

 side. Fig. 302 103 



Fig. 302. 8th 

 and 9th ab- 

 dominal seg- 

 ments. 



105a. Submentum and galea fused and heavily sclerotized. 



Fig. 303 FamUy CEPHALOIDAE 



-T,...^, Only a few genera and 

 not many species or© 

 known for this small fa- 

 mily. They are mostly 

 western species. 



Fig. 303. o, Cephaloon 

 lepturides Newn.; b, Lob- 



105b. Submentum and galea fleshy. 



Fig. 304 Group Nosodermini, TENEBRIONIDAE 



This is a small group of most- 

 ^ ly western beetles although the 

 species pictured is found in the 

 Fig. 304. Phellopsis obcordata Kby. ^<^^*- 



106a. Cerci simple, comiform and curved upward. 



Fig. 305 Group Sychroini, MELANDRYIDAE 



The one North American spe- 

 cies of this group is here pictur- 

 ed. The adult is brown and of 

 medium size. Both adults and 

 larvae live under dead bark of 

 trees. 



Fig. 305. Synchroo punctata Nwn. 



113 



