-I 

 236 FAMILY TENEBRIONIDAE 



fourth ; disk rather flat, punctate, the punctures very fine, placed in longitudinal rows. 

 Legs black. Length, 7.5 mm. to 8 mm. 



Specimens of this insect were sent to me by the District Forest Officer 

 in Vellore, with the report that they had been taken from casuarina-trees 

 in a plantation in that district. 



HYPOPHLOEUS. 

 Hypophloeus flavipennis, Mots. 



REFERENCE. Mots, Etudes Ent. vii, 99 (1859). 



Habitat. North-West Himalaya ; Siwaliks. 



Trees Infested. Blue Pine (Pinus excelsa), Spruce (Picea morinda), 

 Deodar (Ccdnts deodar a), and the Chilgoza Pine (Pinus gerardiana) : North- 

 West Himalaya ; Erythrina suberosa : Siwaliks. 



Beetle. Small, elongate, flat, shining. Head large, exposed, black, and punctate. 

 Antennae short, yellow, as are legs. Prothorax black, longer than wide, narrower in front,. 



squarish behind, sides rounded, moderately convex and uniformly 



Description. punctate. Elytra rufous brown, elongate-elliptical, rounded at 



their apices ; finely but broadly striate, with scattered punctures ; 



pygidium brown. Under-surface black, shining, punctate ; five visible ventral segments 

 of the body. Length, 3.5 mm. to 3.9 mm. (See fig. 162.) 



This little beetle is one of the commonest insects present in newly felled 

 or dying and newly dead blue pine, spruce, and deodar 



Life History. trees in the North-West Himalayan 

 forests. The beetle is often found 



swarming in the galleries of the Polygraphus, Tomicus 

 (p. 510), and Pityogenes bark-borers which infest these 

 trees, and even in those of the scolytid beetles in deodar. 

 The beetle itself probably feeds only on the sap of the 

 tree, but I am of opinion that its larvae are predaceous 

 or semi-predaceous, feeding upon the grubs of the bark- 

 borers when these are available. As I have said, the 

 beetles are at times to be found swarming in incredible 

 numbers in the egg-galleries of the bark-boring beetles FlG l6 ,, 



and ovipositing in them. Hypophloeus 



In the middle of February 1902 Student B. Sen Gupta, 

 of the Imperial Forest School, took specimens of a Siwaliks/ 



beetle, which were identified at the British Museum as 

 H. flampennis, from under the bark of a recently felled dead Erythrina 

 suberosa tree at Bulawala in the Siwaliks. 



Hypophloeus sp. nov. 



REFERENCE. Determined as an undescribed species of Hypophloeus by Herr H. Gebien. 



Habitat North-West Himalaya. 

 Tree Infested. Pinus longifolia. Jeramola, Jaunsar. 



Beetle. Small, elongate. Brown, shining, the elytra yellowish, the lateral edges and 

 suture black, widening out into a black patch on the sutural margin in apical fourth ; 



