164 



ILLINOIS BIOLOGICAL MONOGRAPHS 



(482 



EXPLANATION OF PLATE 

 CAUDAL ASPECT OF HEAD, ABDOMEN, ABDOMINAL APPENDAGES 



Fig. 105 — Kaliofenusa ulmi. Ventral Fig. 



aspect of caudal abdominal segment. 



Fig. 106— Phkbatrophia mathesoni. Fig. 



Fig. 107— Xiphydria sp. 



Fig. 108 — Cephas Pygmaeus. Fig. 



Fig. 109 — Adirus trimaculatus. 



Fig. 110 — Xiphydria sp. Fig. 



Fig. Ill — Hartigia cressoni. 



Fig. 112 — Janus integer. Fig. 



Fig. 113 — Tremex columba. 



Fig. 114 — Cephas pygmaeus. Caudal end Fig. 

 of the abdomen enlarged. 



Fig. 115 — Adirus trimaculatus. Fig. 



Fig. 116 — Adirus trimaculatus. Subanal ap- 

 pendage enlarged. Fig. 



Fig. 117 — Hartigia cressoni. Subanal 



appendage enlarged. Fig. 



Fig. 118 — Janus sp. Subanal appendage 



enlarged. Fig. 



Fig. 119 — Cephus Pygmaeus. Subanal 

 appendage enlarged. 



120 — Tremex columba. Lateral aspect of 



suranal process enlarged. 



121 — Janus integer. Lateral aspect of 



suranal process enlarged. 



122 — Tremex columba. Dorsal aspect of 



suranal process enlarged. 



123 — Janus integer. Dorsal aspect of 



suranal process enlarged. 



124 — Pteronidea ribesi. Ventral aspect 



of third abdominal segment. 



125 — Pteronidea ribesi Lateral aspect 



of caudal end of abdomen. 



126 — Pteronidea ribesi. Lateral aspect 



of caudal end of abdomen. 



127 — Pteronidea ribesi. Dorsal aspect of 



caudal end of abdomen. 



128 — Abia americana. Caudal aspect of 



the head. 



129 — Neodiprion lecontei. Musculature 



of third abdominal segment, semidia- 



grammatic. Annulets numbered. 



au anus 



cc 

 ch 

 cht 



cervacona 

 chit inized area 

 chitinized tubercle 



cor cona 



ct corpotentorium 



e s epicranial stem 



li labium 



lp labial palpus 



1st lateral area of suranal lobe 



nib mandicoria 



mc maxacoria 



mn metatentorina 



tnp maxillary palpus 



ml metatentorium 



mx maxilla 



