16 ILLINOIS NATURAL History SURVEY BULLETIN Vol. 22, Artal 
Eieaerl ulum 
ir 
(He rach CS 
vA r Me Y 
Ga Se ‘ oe) ““genilal segments 
NC / 
cae me ena \) A&M f emur ~~svagina exlerior 
iF hee, MX MH ia bon er3 
PP J Ostio Or perilreme 
Meas tas}p. 
SSS. 
A 
carina jae ANE wie 
| / 
‘ an enna 
! 
| 
oslio le 
; : ; \a% 
ee = striclore \ yi 
He = ie » I ; 
disk um 
mesosculum left 
genital clasper 
_claval vein 
|| _ commissure of hemelytra 
A hee eee emboliar margin 
1] radius / 
LwaeGial exis pseudarolia “5 ines 
z 
__anal ridge jarglia : 
He ~ 
\ / 
| __fraclure 
_-anal vein 
__brachium’ 
or cubitus \ ae 
1 fre e 
‘small Greole 
Ly qus vanduzeei ‘ 
[lush rang p Mrycliral Terms : 
ht igh claws? 
Fig. 17.—Lygus vanduzeei, showing typical mirid structures and illustrating structural terms. 
