A Bibliography of the Southwestern Corn Borer, Diatraea grandiosella Dyar (Lepidoptera: Pyralidae)

1977 ◽  
Vol 23 (3) ◽  
pp. 185-190 ◽  
Author(s):  
W. P. Morrison ◽  
D. E. Mock ◽  
J. D. Stone ◽  
J. Whitworth
Keyword(s):  
Diatraea Grandiosella ◽  
Corn Borer ◽  
Lepidoptera Pyralidae ◽  
Southwestern Corn Borer

Diapause of the southwestern corn borer, Diatraea grandiosella Dyar (Lepidoptera, Pyralidae): effects of a juvenile hormone mimic

1976 ◽  
Vol 66 (1) ◽  
pp. 75-79 ◽  
Author(s):  
G. M. Chippendale ◽  
C.-M. Yin
Keyword(s):  
Single Dose ◽  
Juvenile Hormone ◽  
Diatraea Grandiosella ◽  
Corn Borer ◽  
Larval Diapause ◽  
Pest Insects ◽  
Juvenile Hormone Mimic ◽  
Lepidoptera Pyralidae ◽  
Southwestern Corn Borer ◽  
Topical Applications

AbstractTopical applications of a juvenile hormone (JH) mimic induced and prolonged the mature larval diapause of the southwestern corn borer, Diatraea grandiosella Dyar. The onset of this diapause is marked by an ecdysis from a spotted to an immaculate morph. A high percentage of spotted non-diapause larvae treated with a single dose of a JH mimic moulted into the immaculate morph and became dormant. Similar treatments of diapause larvae led to a reversion to the spotted morph, but the larvae remained dormant. These results imply that diapause larvae contain an intermediate JH titre. A use for JH mimics in disrupting the seasonal phenology of pest insects with larval dormancies is suggested.

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