no 



FAMILY NITIDULIDAE 



Beetle.— Larger \.)^7^nJlav^pes. Black, moderately shining, highly punctate. Head small, 

 punctate. Prothorax large, convex, highly punctate, sides rounded in front, straight behind. 

 Elytra short, truncate, leave exposed two full and a partial third abdominal segments. Legs 

 blackish brown. Length, 3.8 to 4 mm. 



Taken by Student Littlewood feeding at sap on blazed Buchanania 

 latifolia trees in the Dun forests. 



Tetrisus. 

 Tetrisus sp. 



Reference. — Determined as a species of TetrisJts by 

 Monsieur A. Grouvelle. 



Habitat. — Goalpara, Assam. 

 Tree Infested. — Sal {Shorea robusta). Kachu- 

 gaon, Goalpara. 



Beetle.— Flat, light brown in colour. Upper surface very 

 finely punctate. Prothorax wider than long, sides rounded. 

 Scutellum large. Elytra short. Hind coxae large transverse. 

 Length, 3 mm. to 3.2 mm. 



I found a number of this nitidulid at Kachu- 

 gaon on 16 May igo6 feeding 

 Life History. on the sap oozing from the 



bark at one end of a felled 

 green log cut a couple of days previously. 

 During the next few days I found other speci- 

 mens of the insect engaged in the same way. 

 possess the instinct which enables them to discover felled green trees 

 •with the sap oozing from the fresh-cut surfaces as quickly as do their 

 cerambvx and scolytid companions. 



Fig. 74. — Tetrisus sp. 

 Goalpara, Assam. 



The beetles seem to 



ECNOMAEUS. 



Ecnomaeus haroldi, Reitt. 



Reference. — Reitt. Verh. Ver. Brunn. xii, p. 182 (1874). 



Habitat. — Siwaliks, North India. 



Tree Infested. — ^Sal {Shorea robusta). Dholkhand, Siwaliks. 



Beetle. — A tiny, iiat, elongate, reddish-brown beetle, the elytra leaving exposed two seg- 

 ments of the body. Prothorax wider than head, anterior angles produced, sides rounded, base 

 truncate. Elytra nearly as wide as thorax at base, wider behind, apex truncate, finely punctate ; 

 pygidium finely punctate, fringed with hairs. Legs lighter-coloured. Length, 6 mm to 8.5 mm. 



I took specimens of this nitidulid from beneath the bark of a felled sal- 

 tree at Dholkhand in the Siwalik Division towards the end of January. 



Ecnomaeus waterhousei, Grouv. 



Habitat.^SiwaHks, North India. 



Tree Infested.— Sal {Shorea robusta). Dholkhand, Siwaliks. 



