542 



FAMILY SCOLYTIDAE 



Cryphalus sp. 



Siwaliks, Dehra Dun, North India. 



. Erythrina suberosa. Bulawala, Dehra Dun (B. Sen 



Habitat. 



Tree 



Gupta). 



Beetle. Short, elliptical. 

 spiny yellow pubescence 



Light greenish yellow with a short 

 Head hidden beneath the hood-like 

 prothorax, punctate ; antennae yellow, club 

 Description. brown. Prothorax with anterior margin 



rounded and tuberculate, disk very convex 



medianly ; anterior three-fourths roughly tuberculate and asperate, 

 i he tubercles placed at regular re'atively wide intervals on anterior 

 portion, closing up behind ; posterior fourth finely rugose-punctate. 

 Elytra rugose and striate, the sides straight, declivous apically ; 

 rather closely covered with short coarse spiny hairs Under-surface 

 and legs yellow, punctate, pubescent. Length 1.5 mm. The only 

 specimen I have seen is in too poor condition to enable the species to 

 be described in detail. 



Specimens of this minute scolytid were taken from galleries beneath 



the bark in the bast of a felled and recently dead 



Life History. Erythrina subcrosa tree in the middle of February 1902 



by Babu B. Sen Gupta, at the time a student at the 



Imperial Forest School at Dehra Dun. The beetles were almost mature 

 and ready to issue in the spring. They originated from eggs laid by the 

 last generation of the insects, which probably oviposited some time in the 

 autumn of 1901. 



V 



Fio. 348- 



Cryphalus sp. in 



Erythrina suberosa. 



Siwaliks. 



Cryphalus sp. 



Habitat. Jaunsar, North-West Himalaya. 



Tree Attacked. Ban Oak (Quercus incana). Kathian, Jaunsar. 



Beetle. Black, clothed with a long white pubescence. The insects taken were in a poor 

 state of preservation. 



I cut out three specimens of this insect from galleries on the inner side 



of the bark of a dead fallen oak-tree. Two of the three 



Life History. beetles so taken on 6 July 1902 were fully mature, the 



other was lighter-coloured and immature. All three 



beetles were dead. Beyond the fact that this insect infests this tree and 

 its grubs feed in the bast layer, as was evidenced by their excavations, 

 nothing appears known. 



Cryphalus (Hypothenemus) mangiferae, Stebbing. 



REFERENCE. Steb., Ind. Mus. Notes (Hypothenemus sp.), vi, i, p. 68 (1903). 



Habitat. Eastern Dun, United Provinces. 



Tree Attacked.- -Mango (Mun^ifera indica). Eastern Dun, Siwaliks. 



