no 



FAMILY NITIDULIDAE 



Beetle. Larger \h.-&n.flavipes. 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 Tetrisus 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, 3mm. to 3.2 mm. 



I found a number of this nitidulid at Kachu- 



gaon on 16 May 1906 feeding 



on the sap oozing from the 



bark at one end of a felled 

 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 

 cerambyx and scolytid companions. 



Life History. 



green log cut 



I 



FIG. 74. Tetrisus sp. 

 Goalpara, Assam. 



The beetles seem to 



ECNOMAEUS. 



Ecnomaeus haroldi, Reitt. 



REFERENCE. Reitt. Verh. Ver. Brilnn. xii, p. 182 (1874). 



Habitat. Siwaliks, North India. 



Tree Infested. Sal (Shorea robusta). Dholkhand, Siwaliks. 



Beetle. A tiny, flat, 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. Siwaliks, North India. 

 Tree Infested. Sal (Shorea robusta). Dholkhand, Siwaliks. 



