. Journal of agricultural research . sad of ocellus VI; mandible longer than broad; distal tooth concaved P. penitalis. Epicranial pimcture C lying directly posterior to ocellus VI;mandible square; distal tooth pointed P. nubilalis. PLATE 7European corn borer and its nearest American allies: A.—Male genitalia of Pyrausta nubilalis; ventral view of organs spread; aedoeagusomitted. B.—Male genitalia of P. nubilalis; aedoeagus and penis. C.—Male genitalia of P. ainsliei; ventral view of organs spread; aedoeagus omitted. D.—Male genitalia of P. penitalis; ventral view of organs spread; aedoeagusom


. Journal of agricultural research . sad of ocellus VI; mandible longer than broad; distal tooth concaved P. penitalis. Epicranial pimcture C lying directly posterior to ocellus VI;mandible square; distal tooth pointed P. nubilalis. PLATE 7European corn borer and its nearest American allies: A.—Male genitalia of Pyrausta nubilalis; ventral view of organs spread; aedoeagusomitted. B.—Male genitalia of P. nubilalis; aedoeagus and penis. C.—Male genitalia of P. ainsliei; ventral view of organs spread; aedoeagus omitted. D.—Male genitalia of P. penitalis; ventral view of organs spread; aedoeagusomitted. E.—Forewing venation of P. nubilalis; male. F.—Hindwing venation of P. nubilalis; male. Explanation of symbols applied to male genitalia. Ae=aedoeagus. An=anellus. Anl=anellus lobes. Cl=clasper. Cn=cornutus (thomlike armatiu-e of penis). Cr=calcar. Hp=liarpe. J=juxta. Sc=sacculus of harpe. Ss=subscaphitun. Tg=tegumen. Ts=transtilla. Vm=vinculum (sternal portion of ring of the tegiunen). European Corn Borer Plate 7. Journal of Agricultural Research Vol. XVIII. No. 3 European Corn Borer Plate 8


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagricul, bookyear1913