Helcystogramma convolvuli

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.

Helcystogramma convolvuli
Holotype
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Gelechiidae
Genus:	Helcystogramma
Species:	H. convolvuli
Binomial name
Helcystogramma convolvuli (Walsingham, 1908)[1]
Synonyms
Trichotaphe convolvuli Walsingham, 1908 Brachmia convolvuli Lecithocera convolvuli Lecithocera emigrans Meyrick, 1921 Brachmia crypsilychna Meyrick, 1914 Lecithocera effera Meyrick, 1918 Brachmia dryadopa Meyrick, 1918

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, Merremia quinquefolia, Ipomoea aquatica, Ipomoea cairica and Ipomoea alba.^[5]