THE GRAIN BUG. 9 
Ventrally: Uniform pale green, with black punctations. “Shelf” orange 
on both thorax and abdomen. Rostrum green with brown tip and extending 
one-half the length of venter. Legs: Coxe, trochanters, and femora pale 
green; tibiz and tarsi light brown. 
Described from 11 specimens. 
FIFTH INSTAR. 
Length 8.9 to 10.6 mm.; width of thorax 4.3 to 48 mm.; width of abdomen 
5.38 to 7 mm. 
Dorsally: Head pale green, finely punctate; eyes brown, surrounded by pale 
green area; antenne 4.5 to 5.2 mm. in length, black or brown, peduncle light 
green, articulation of segments 
pale green. Thorax green with 
black punctations; wing pads 
black or nearly so; “shelf” 
white to orange. Abdomen pale 
green with black punctations 
and bearing approximately the 
same marking as_ preceding 
instar; ‘shelf’ white with 
more pronounced orange edge 
than on thorax, not so promi- 
nent as in preceding instars. 
Ventrally: Same as the pre- 
ceding instar. Rostrum extend- 
ing to posterior coxe. Legs: 
Tarsi and outer fourth of tibise 
black, remaining portions of legs 
pale green, tarsi and tibisz bear- 
ing numerous black spines. 
Described from 15 speci- 
Fig. 9.—The grain bug: Nymph, fifth instar. 
mens. Much enlarged. 
THE ADULT. 
The following is the description by Stal (1). 
5. L[ioderma]| (Chlorochroa) Sayi-STat.—Ovalis, dilute viridis, subtus pal- 
lidior, superne pectoreque sat dense distincteque punctata, ventre subtilius 
punctato; antennis nigris, articulo basali virescente; limbo laterali antico 
thoracis, limbo costali thoracis, apice scutelli, margine abdominis, coxis, tro- 
chanteribus femoribusque basin versus pallide sordide flavescentibus; callis 
rugulisque parvis sparsis, in thorace scutelloque obsoletis, in corio distinctior- 
bus, nee non maculis tribus laevigatis subecallosis basalibus scutelli viridi- 
albicantibus; membrana alisque decoloribus; marginibus imis lateralibus 
anticis thoracis et margine imo abdominis lutescentibus; tarsis apicem versus 
fuscis. 2. Long. 11, Lat. 6 1/3 mill. 
Patria: California. (Mus. Holm.). 
Praecedenti affinis, notis allatis formaque angustiore divergens. 
A redescription of the adult, by Mr. E. H. Gibson, of the Bureau 
of Entomology, is given below. 
Distance between eyes equaling almost two-thirds length of head. Head 
‘closely punctate above. Tylus and juga of the same length. . Anterior margin 
103881°—19 2 
