403 
CRYPHALUS INDICUS, n. sp. 
THE SILVER FIR CRYPHALUS. 
Plate XXII, fig. 6. 
Classification:—Order, COLEOPTERA, Family, Scolytide ; Sube- 
Family, Tomicini. 
Tree attacked:—Adbzes wedbiana (The Silver Fir). 
Description, 
Egg.—W bite, oval, translucent. 
Larva.—Small white, curved and legless, with a yellowish 
head and brown mandibles. 
Beetle.—Cylindrical, black. Head hidden beneath thorax. 
Antenne reddish-yellow, angled, the scape club-shaped, the 
funiculus 4-jointed, the first joint thick, others subequal, club 
oval, divided into four divisions by 3 transverse lines, Thorax 
not longer than broad, very convex, narrower in front than 
behind, the anterior three-fourths furnished with prominent acute 
tubercular projections set backwards, the basal portion, especially 
laterally, clothed with long yellow hairs. Elytra cylindrical, 
constricted and rounded posteriorly, very slightly wider than 
thorax ; coarsely and irregularly rugulose and puctate and covered 
with a squamulose pubescence consisting of longitudinal rows of 
short silvery and reddish hairs. Legs reddish brown, pubescent ; 
tibize curved and toothed on outer edge; with a yellow dense 
pubescence upon them; tarsi yellowish, first three joints equal. 
Length ,8,nd inch. Plate XXII, fig. 6, shows this beetle. 
Life-History. 
The flight time of the first generation of the year of this 
beetle is about the middle of May at elevations of 8,000 
feet. In the fourth week of the month the writer discovered it 
attacking and laying eggs in green silver fr branches, | Either 
masses of eggs or young larva were found in the ego-chambers, 
the beetles having evidently been some days at work. Infested 
branches contained numerous beetles and appeared to die 
upwards from the lowest part affected. 
The beetle enters the branch by boring a horizontal gallery 
through the bark to the bast, preferably just at or below 
