274 REPORT OF NEW JERSEY STATE MUSEUM. 



CYCHRAMUS Kug. 



C. adustus Er. Hoboken (Sm) ; Orange Mts. in fungus (Bf) ; Westville 

 (W) ; Atco IX, 4 (Brn) ; in puff-balls, never common. 



CYBOCEPHALUS Er. 

 C. nigritulus Lee. Snake Hill (Sf). 



CRYPTARCHA Schuck. 



C. ampla Er. Throughout the State; a general sap feeder V-VII. 



C. strigata Fabr. Ft. Lee (Sf); Hudson Co. (LI); Orange (Ch); g. d., on 



sap at all times (W) ; usually not common. 

 C. concinna Mels. Ft. Lee (Sf); Hudson Co. (LI); g. d., not rare (Bf ) ; 



Lahaway II, 8 (Sm). 



IPS Fabr. 



I. obtusus Say. Throughout the State; rare; on sap. 



I. quadriguttatus Fabr. (fasciatus) Throughout the 

 State; common under bark, on sap and sometimes 

 in fruits. 



I. sanguinolentus Oliv. Throughout the State, though 

 somewhat local and rarely common. 



RHIZOPHAGUS Hbst. 



A. scalpturatus Mann. Orange Mts., salt meadows (Bf). 

 R. cylindricus Lee. Lahaway III, VI, VII (div) ; Gren- 



-/V- 



Fig. 1 06. Ips 

 quadriguttatus 



and larva; 



loch XI, 26 (W); g. d., not rare (Li). 



R. cylindricus Lee. Lahaway III, VI, VII (div); Grenloch XI, 26 (W) ; 

 g. d., not rare (Li). 



R. brunneus Horn. Grenloch XI, 26, lona IV, 30, live deep underground 

 around roots of pine (W). 



R. bipunctatus Say. Hudson Co. (LI); Woodside, once plentiful (Bf). 

 R. minutus Mann. Orange Mts., rare (Bf). 



Family 



Very small, oval, convex insects with the thorax usually narrower than 

 the elytra. They are very commonly brown in color, often striated, occa- 

 sionally banded, and found commonly under bark, under decayed leaves 

 and in sweeping among vegetation in early evening. The larvae are oval, 

 soft, very hairy, and live in vegetable refuse, fungi, etc. Occasionally 

 they are found in granaries, Cut never in really troublesome numbers. 



The arrangement here follows the revision of Prof. H. C. Fall in the 



