-725- 
Macrobasis diversicornis Haag ______ 10 636 
Macro "basis immaculata Say --------- 6 364 
Macro "basis longicollis Lee. -------- 3 537 
Macro"basis segmentata Say --------- 6 364 
Macrobasis unicolor Eby. ---------- 6 342,354,389,414 
8 ' 559 
Macrocentrus delicatus Cress. ------- 6 356 
3 526 
Macrocer.trus sp. -------------- 7 44-2 
Macrodactylus sp. ------------- 6 414 
9 640 
Macrodactylus subspinosus Fab. ------ 5 273 
6 399 
Macrodactylus uniformis Horn------- 7 442 
Macronoctua onusta Grote --------- 5 393 
7 435 
Macropcs sp. --------------- 3 148 
Macro siphoniella sanborni Gill. ------ 2 59 
3 129 
Macro siphurn granarium Eby. --------- 5 253 
5 337 
10 556 
Macro siphurn illinoisensis Shim. See 
Aphis illinoisensis Shim. 
Macro siphurn luteum Buckt. -------- 1 • * 39 
2 30 
Macro siphurn rosae L. ------ ----2 70 
Macro si phum solanifolii Ashm. • See- 
Illinoia solanifolii Ashm. 
Magdalis lecontei Horn - ____-- 5 392 
Magicicada (Tibicina) septendecim I. - - - - 5 243,298 
7 468 
10 . 670-571 
Malacosoma americana Fab. --------- 2 43, 51 
3 85,101-102 
4 173- ] 50 
10 572 
Malacosoma calif crnica Pack. ------- 2 44, 56 
10 572 
Malacosoma disstria Eon. --------- l 15 
3 12? 
4 153,214-21- 
3 299 
10 672 
Malacosoma pluvial is Dyar --------- 1 15 
10 572 
Malacosoma sp?. -------------- l 15 
4 179 
Mamestra picta Harr. ----------- 5 254 
3 546 
