MWepUST RA EIONS. 
PLATE. 
PuaTe I. Blackeye cowpeas infested by the cowpea weevil (Pachymerus 
reals 
18. 
19. 
20. 
21, 
chinensis), showing eggs and exit holes.......-....----...--:..-- 
TEXT FIGURES. 
The Mexican grain beetle (Pharaxonotha kirschi): Adult, larva, pupa, 
BETTS ARS Selena a Lisa p Ne 2A ie ROO Das BLOAT ESR aS Ree 
. The Siamese grain beetle (Lophocateres pusillus): Adult, larva, pupa, 
TANG eee yee 2 NUMAN ne yar ety Rte Bilal aoe ck cit am YOON BUS cele 
. The broad-nosed grain weevil (Caulophilus latinasus): Adult and 
Stall Serene yt sevrw ek Ce ree RA ERAS Aa Oe a SRB 
. The long-headed flour beetle (Lathelicus oryze): Adult.............. 
RR EITCUSHETOSO PIS=4 NUNES. 33. F SU REN ote acre ee lS oe Re ee 
. The lesser grain-borer (Rhizopertha dominica): Adult..........--..-- 
. Section of horse collar showing holes bored by the lesser grain-borer... 
. The larger grain-borer (Dinoderus truncatus): Adult, larva, pupa, 
(OUCENE TNE ge a Fae IN A SP La een PR, cae > UN Eat to AE yp 
. The larger grain-borer: Kernel of corn showing characteristic work of 
AGL UU ROTM OCCT LS mere eee eae Nace PRS RIA AI er ere ty pe te 
. The broad-bean weevil (Laria rufimana): Adult, or beetle. .......... 
. The pea weevil (Laria pisorwm): Beetle, larva, and pupa........... 
. The broad-bean weevil: Photomicrcegraph of ege...........----.2..--. 
Une bhOadpeama weevil: Meg... Yong eh. Hobo BA ee ol 8 
. The broad-bean weevil: Apical crest of head of postembryonic larva.. 
. Broad beans infested by the broad-bean weevil, showing empty exit 
holes of beetles, closed exit holes, and open exit holes in which 
ee Tec a kerstUlUprese hus ee jeer ernie, aw who Joo us i A. Lea 
. Broad beans split to show ravages made by larve of the broad-bean 
weevil above, and by larve and adults below, the latter leaving 
large pupal cases at the ends of the beans..........:.....-.2.----- 
Broad bean cut in half to show, at top on left, pupal cell of the broad- 
bean weevil; at right, cell containing predaceous mite (Pediculoides 
PIC TURIORTIA a. Se eo Sn e... ME EEE AMS UR Suse. eens 8) CEE 
Pediculoides ventricosus: Gravid female..............--52......2---- 
The cowpea weevil (Pachymerus chinensis): Male beetle, egg, larva, 
GUAPO belies Nae we a Ca IN Seat RM i i or A er a 
BRAT Ae 
Page 30, line 19 from bottom, for pusillus read pusillum. 
_ Page 87, line 22 from bottom, for larv read larve. 
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