Helcystogramma convolvuli
| Helcystogramma convolvuli | |
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| Species: | H. convolvuli
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| Helcystogramma convolvuli (Walsingham, 1908)[1]
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Helcystogramma convolvuli, the sweet potato moth, sweetpotato webworm moth, sweetpotato leaf roller or black leaf folder, is a moth of the family Gelechiidae. It is mainly found in Asia and Africa, but there are also records from Oceania, the Middle East, the Caribbean[2] and Florida in the United States.[3] The species is also found on the Canary Islands and Madeira.
The wingspan is 13–15 mm. The forewings are dark tawny fuscous. The hindwings are brownish grey.[4]
The larvae feed on Convolvulaceae species, including Ipomoea batatas, Convolvulus arvensis, , Ipomoea aquatica, Ipomoea cairica and Ipomoea alba.[5] First instar larvae create a tunnel of silk along the leaf vein and feeds underneath on the surface tissue. The second instar larvae move to the upper leaf surface and fold the leaf, feeding within the fold until the green tissues are consumed, when it moves to another leaf.
References[]
- ^ Fauna Europaea
- ^ CSL Pest risk analysis for Helcystogramma convolvuli Archived 2012-09-14 at the Wayback Machine
- ^ mothphotographersgroup
- ^ lepiforum.de
- ^ Bippus, M., 2020. Records of Lepidoptera from the Malagasy region with description of new species (Lepidoptera: Tortricidae, Noctuidae, Alucitidae, Choreutidae, Euteliidae, Gelechiidae, Blastobasidae, Pterophoridae, Tonzidae, Tineidae, Praydidae, Cosmopterigidae, Batrachedridae). - Phelsuma 28: 60-100
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- Moths described in 1908
- Helcystogramma
- Cosmopolitan moths
- Helcystogramma stubs