Common name: Melon ladybird beetle Products: (PLure) (PTrap Pack) ( PTrap). Epilachna chrysomelina is a species of insects with 1 observation. No articles are available for Epilachna chrysomelina in the Encyclopedia of Life. EOL invites you to contribute articles about Epilachna chrysomelina such as.
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Pest of melons and gourds.
EPPO Global Database
Chrysomekina length, mm. Body widely ovate, mainly red-brownish; metathorax black; dorsum covered with short hairs. Pronotum without spots; each elytra with 6 black points, of which posterior sometimes merged into V-bend.
Shoulders widely rounded, tibiae simple. Epipleura is wide and flat. Egg the same as egg of Coccinella septempunctata, but not darkening before hatching. Larva in the 1st instar is about 2 mm in length, yellow; its dorsal surface is covered with 4 longitudinal rows of branched spicules.
Mature larva is It gives generations. Adults hibernate under the litter in fields or under rush, where sometimes hundreds of beetles per 1 plant are aggregated. Spring activity begins in middle or last thirds of April, after appearance of early melon or gourd seedlings. Diapause termination extends days. Adults have diurnal activity and fly very well. Oviposition begins after a few days of additional feeding.
Henosepilachna elaterii – Wikipedia
Female lays eggs on the lower surface of host plant leaf. About yellow eggs in one layer are inserted into an egg batch. Maximum rate of the oviposition occurs in the 2nd half of May. Fertility is about eggs. The largest fertility is observed in the first generation, beetles of 3rd-4th generations don’t lay eggs. Embryogenesis lasts days. Larvae and adults gnaw parenchyma on the lower leaf surface and rind of young melon or cucumber. They feed on some weeds, too, cnrysomelina dandelion, goose-foot, and bindweed.
Epilachna chrysomelina. Coccinellidae | gailhampshire | Flickr
Larva has 4 instars, developing days. Pupation occurs on leaves and pupa develops days. The pest damages in adult and larval stages during all vegetation of host plants. It damages mainly melons, cucumbers, pumpkins, and vegetable marrows. Watermelon is damaged in a lesser degree.
The pest sometimes entirely consumes seedlings of the melons and gourds of late sowings. Beetles are more gluttonous during reproduction time. Damaged melon and epilachnq fruits keep badly, decaying in days. Control measures include removal of plant residues after harvesting, autumn plowing, and crop rotation.
Epilachna chrysomelina. Coccinellidae
The literature reports about Epilachna chrysomelina harming activity on cotton are probably erroneous. Data on biology and ecology of Epilachna chrysomelina F.
Key to harmful and useful insects and mites of vegetable cultures and potato in the USSR. Number of pests and entomophages of vegetable cultures and potato in different agricultural zones of the USSR. Fauna and biology of the beetles injuring agricultural plants chryslmelina Azerbaijan. About biology of Epilachna chrysomelina F.