DIAPHANIA INDICA PDF

Diaphania indica , the cucumber moth or cotton caterpillar , is a widespread but mainly Old World moth species. It belongs to the grass moth family , and therein to the large subfamily Spilomelinae. This moth occurs in many tropical and subtropical regions outside the Americas , though it is native to southern Asia ; it is occasionally a significant pest of cucurbits and some other plants. This species was originally described by William Wilson Saunders in under the misspelled name Eudioptes indica properly: Eudioptis , using specimens from Java.

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Synonyms and other taxonomic changes. Larva : 15 mm 1. Adult : Wings are white, with a dark brown band along the fringe. Larva : pale to dark green with a white stripe running along both sides of the body. Caterpillars feed on the leaves, soft stems and fruit of a variety of cucurbits.

They can destroy large sections of plants and bind parts of the leaves together with silk and frass. On occasion, the larvae have been known to damage the flowers. After the fruit starts to develop, the larvae can chew shallow holes in the surface, especially where the fruit is in close contact with the ground.

They often pupate in these holes, causing blemishes which downgrade the fruit. Adult moth lives for weeks, during which time the female may lay many eggs on the underside of leaves and on the soft stems of host plants.

Eggs are creamy white and 1—2 mm long and can take from days to hatch. Larvae grow to 15 mm long in about 3 weeks, at which time they are ready to pupate.

Pupae are 10—15 mm long and usually found in the soil, under fruit or debris on the ground, or sometimes in a silken canopy in the leaves. Pupation lasts up to 2 weeks before the adult moths emerge.

Diaphania hyalinata has abdomen mostly white like D. Diaphania elegans has mostly brown abdominal with first segment white. Diaphania modialis is like D. Diaphania infimalis is like D. Per Capps in Kimball 2 , specimens of Diaphania modialis have been misidentified as this species which is not found in NA. Saunders, W. On Insects injurious to the Cotton Plant. The Transactions of the Entomological Society of London.

Moth Photographers Group 3. Contributed by Maury J. Clickable Guide. Food Caterpillars feed on the leaves, soft stems and fruit of a variety of cucurbits. Print References Saunders, W. Charles P.

Florida Dept. Gainesville, FL. North American Moth Photographers Group. Bugguide is hosted by: Printer Friendly Version.

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Photo 1. Photo 2. Severe damage on cucumber by Diaphania indica. Photo 3.

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Disclaimer : Dedicated naturalists volunteer their time and resources here to provide this service. We strive to provide accurate information, but we are mostly just amateurs attempting to make sense of a diverse natural world. If you need expert professional advice, contact your local extension office. Contributors own the copyright to and are solely responsible for contributed content.

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