ILLINOIS BIOLOGICAL MONOGRAPHS 



[90 



EXPLANATION OF PLATE XEX 



LATERAL ASPECT OP THE HEAD 



Fig. 390. 



Fig. 391. 

 Fig. 392. 

 Fig. 393. 

 Fig. 394. 

 Fig. 395. 

 Fig. 396. 

 Fig. 397. 

 Fig. 398. 

 Fig. 399. 

 Fig. 400. 

 Fig. 401. 

 Fig. 402. 

 Fig. 403. 

 Fig. 404. 

 Fig. 405. 

 Fig. 406. 

 Fig. 407. 

 Fig. 408. 

 Fig. 409. 

 Fig. 410. 

 Fig. 411. 

 Fig. 412. 



Hippodamia coniiergens. 

 Adalia bipunctatus. 

 Pseiidociskhi brevis. 

 Alobates petmsylvanka. 

 Tenebrio nwlitor. 

 Boros unicoloT. 

 Arihroma(ra aenea. 

 IlypoTphdgus sp. 

 Pentlte obliqiiiita. 

 Ptiiuis brunneus. 

 Sitodrcpa ponicea. 

 Bostrichus bkornis. 

 Lyclus planicoHis. 

 Sphitidus amcrieanus. 

 Pksiocis cribrum. 

 A plwdius fimetarius. 

 Dicltelotiyx dongata. 

 Pclidnota punctata. 

 Slralegus julianiK. 

 Osmoderma eremicolla. 

 Trox subcrosus. 

 Pseudobuaniu capreolus. 

 Passalus comutus. 



antacoila 



antafossa 

 an antacoria 

 cip cervepimeron 

 CCS cervepisternum 

 ce comf)ound eye 

 cli chitinized area 

 cl clypealia 

 ct corpotentorium 

 en epicranial arm 

 fe frontal ridge 

 gii gula 



of 



