108 
had disappeared, almost without exception, by this date. July 7, 43 
percent of the old stems, taken from many different places — roadside 
as well as field — contained the insect. 
Stages. — The beetle (Fig. 23) is conspicuous on account of its 
slender form, dark blue wing-covers, and shiny red head and thorax. 
Length 4 mm. to 7.8 mm. In Langnria mozardi, as distinguished from 
other species of the genus, the antennae are black, with the club five- 
segmented ; the legs are red, with the outer half of the femur black 
and the tibiae and tarsi often more or less dusky; last three abdominal 
segments black, the abdomen otherwise red ; elytra rounded at apices, 
not sinuate, punctate-striate with the interspaces impunctate ; scutellum 
red ; head and thorax sparsely punctate. 
1 
J 
1 
1 
ll 
1 
11 
Fir,. 2.V Fig. 24. 
Clover Stem-borer, Languria mozardi: Fig. 23, beetle, greatly enlarged; Fig. 24, egg, 
in natural position, four times natural length. 
The egg (Fig. 24) is translucent cream-yellow, paler at each end, 
elliptico-cylindrical and slightly curving, with one end slightly more 
tapering than the other. One specimen was 1.5 mm, long and 0.3 mm. 
broad; another, 1.9 mm. by 0.5 mm. 
The larva (Fig. 25) is slender, subcylindrical, 8 mm. long and 0.9 
mm. wide when full grown, and light yellow, with a pair of brown 
curving anal hooks. The thoracic legs are well developed and there is 
a single anal proleg. Comstock gives other details. At birth the larva 
is 2 mm. long; when four days old. 3 mm.; nine days, 5 mm.; full 
grown, as above. 
The pupa (Fig. 26) is yellow, slender, has a large head, and is 6 
mm. long. 
