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Phthorimaea operculella, also known as the potato tuber moth or tobacco splitworm, is a moth of the family Gelechiidae. It is an oligophagous insect that feeds on the plant family Solanaceae and is especially known for being a major pest of potato crops. [ 1 ]
The South American potato tuber moth, Andean potato tuber moth or tomato stemborer (Symmetrischema tangolias) is a moth of the family Gelechiidae. It is native to South America, but has become a pest worldwide. Records include North America, Australia and New Zealand. [1]
Tecia solanivora, the Central American potato tuberworm, Guatemalan tuber moth, or Guatemalan potato moth, is a moth in the family Gelechiidae. It was described by Povolný in 1973. It was described by Povolný in 1973.
Species include the potato tuber moth, Phthorimaea operculella. [1] Species. Phthorimaea euchthonia Meyrick, 1939; Phthorimaea exacta Meyrick, 1917;
Copidosoma koehleri belongs to the family Encyrtidae and genus Copidosoma within the order Hymenoptera. [1] It is a parasitoid and its hosts are mainly potato tuber moth (Phthorimaea operculella) but it also infest Andean potato tuber moth (Symmetrischema tangolias), Guatemalan potato tuber moth (Tecia solanivora) and Tomato leafminer (Tuta absoluta). [2]
Its life-cycle comprises four development stages: egg, larva, pupa and adult; combined, 26–75 days. [2]: 241 Adults usually lay yellow [2]: 241 eggs on the underside of leaves or stems, and to a lesser extent on fruits. After hatching, young larvae penetrate leaves, aerial fruits (like tomato) or stems, on which they feed and develop.
Ditylenchus destructor is a plant pathogenic nematode commonly known as the potato rot nematode. Other common names include the iris nematode, the potato tuber eelworm and the potato tuber nematode. It is an endoparasitic, migratory nematode commonly found in areas such as the United States, Europe, central Asia and Southern Africa.
As for tuber blight, the white mycelium often shows on the tubers' surface. [10] Under ideal conditions, P. infestans completes its life cycle on potato or tomato foliage in about five days. [7] Sporangia develop on the leaves, spreading through the crop when temperatures are above 10 °C (50 °F) and humidity is over 75–80% for 2 days or more.