234 
The principal Insect Allies of the Blue Pine Tomicus, 
POLYGRAPHUS MAJOR, MS, >. 
Plate XIII, fis. 2; a,:b, c. 
Reference :—This insect is new to the British Museum, It may possibly be 
identical with the beetle mentioned on pp. 63, 64 of my 
Injurious Insects which was determined as near to P. 
pubescens of Europe. 
Classification :—Order, COLEOPTERA. Family, Scolytide. Sub- 
Family, Hylesini. 
Trees attacked :—Cedrus Deodara (Deodar); Pinus excelsa 
(Blue Pine). 
Description. 
The Zarva when young is a minute, yellowish-white, curved 
and legless grub of the ordinary Scolytid type. When full 
grown, it is white in colour and about 3 millim in length. 
The pupa is whitish-yellow and of the ordinary beetle type. 
The deetle on emergence from the pupal state is bright 
yellowish-brown, the tint darkening as the outer parts harden. 
When ready to leave the tree, it hasa moderately shining black 
head and thorax and dark chestnut-brown elytra covered with a 
yellow pubescence. The insect is oblong in shape and _ hairy 
above and below. The head is not entirely covered by the thorax 
and has a short, broad rostrum and clubbed antennez, the forehead 
bearing a dense tuftof yellow hair. The antennz have a short 
funiculus of 5 joints, together shorter than the long solid club. 
The thoraxis broader posteriorly than anteriorly and a small 
channel marks its juncture with the elytra ; the thorax is punc- 
tured all over, the elytra being striate ‘and punctured. Legs 
black, with yellow hairs on them, tarsal joints filiform, yellow, 
and four in number, the 3rd joint simple. Insect black and 
shining on ventral surface; 5 abdominal segments visible. 
Length 3 to 3°3 millim, Plate XIII, ‘fig, 2, a, shows a dorsal 
and side view of this beetle. 
eae 
2 a 4% 
2 ¥ 
By. it 
