THE INSECTS OF NEW JERSEY. 277 



Family MONOTOMIDJE. 



MONOTOMA Hbst. 



M. producta Lee. Brigantine Beach IX, Sea Isle City, Avalon VII, An- 

 glesea VII (div) ; a strictly maritime species. 



M. picipes Hbst. Hudson Co. (LI) ; under decaying vegetation. 



EUROPS Wall. 



E. pallipennis Lee. Hopatcong (Pm); Ft. Lee, on gummy excretions of 

 hickory (Sf). 



BACTRIDIUM Lee. 



B. ephippigerum Guer. Ft. Lee (Sf); Hudson Co. (LI); Orange Mts. 



(Bf); Merchantville V, 1 (Brn). 

 B. striolatum Reit. Ft. Lee (Sf); Hudson Co. (LI); Orange Mts. (Bf). 



B. cavicolle Horn. Hopatcong (Pm); Ft. Lee (Sf); Orange Mts. (Bf), 



Hudson Co. (LI), in galleries of and feeding on Scolytid larvae. 



Family DERODONTIDJE. 



Oblong, rather convex species, the thorax rounded and toothed at the 

 edge, elytra yellowish with obscure blackish markings. Very little is 

 known of the adults and less of the larvae. 



DERODONTUS Lee. 

 D. maculatus Mels. Orange Mts. (Bf) ; Staten Island (Lg). 



Family BYRRHID^. 



These are usually known as "pill beetles," small in size and generally 

 black with silky iridescent pubescence, which makes the species easily 

 recognizable. The legs and antennae may be so closely folded to the 

 body as to be practically invisible. They live at the roots of grasses or 

 in water, and are of no economic importance. 



CYTILUS Er. 



C. sericeus Forst. (trivittatus Mels.) Greenwood Lake V (Lv) ; Madi- 



son V (Pr); Ft. Lee (Bt) ; Hudson Co. (LI); Newark district (Bf) ; 

 Sea Isle City V (Brn) ; and probably throughout the State. 



BYRRHUS Linn. 



B. americanus Lee. Newfoundland IX (Jl) ; Paterson V (Soc) ; Green- 

 wood Lake, Ft. Lee (Bt) ; Newark (Bf ) ; along the shore, Brigantine 

 to Cape May VI, VII (div) ; not common. 



