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单词 Southwestern Corn Borer
释义

Southwestern Corn Borer

英语百科

Southwestern corn borer

Life stages of D. grandiosella, clockwise starting at top: adult moth, non-diapausing (spotted) last instar larva, diapausing (immaculate) larva, pupa, eggs (laid on wax paper), first instar larva (above date on coin)
Larval stage of D. grandiosella

The southwestern corn borer, Diatraea grandiosella, is a moth belonging to the sub-order Heterocera. Like most moths, The Southwestern corn borer undergoes complete metamorphosis developing as an egg, larva (caterpillar), pupa and adult. It is capable of entering diapause in its larva stage and under the conditions of a precise photoperiod. Growth and development are regulated by juvenile hormones. The Southwestern corn borer has an extensive range. It occurs in Mexico and in Alabama, Arizona, Arkansas, Colorado, Illinois, Indiana, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Nebraska, New Mexico, Oklahoma, Tennessee, and Texas.

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