Potato-fly ( Anthomyia tuberosa ),

Chambers's Encyclopaedia, Volume 8: Peasant to Eoumelia, p. 357

Potato-fly (Anthomyia tuberosa), a dipterous insect of the same genus with the Radish-fly, Cabbage-fly, Turnip-fly, &c. In its perfect state it is very like the House-fly. The maggots are often abundant in bad potatoes in autumn, and are different from the maggots of the House-fly, being horny, spiny, bristly, and tawny; the long tail ending in six long bristles.

Potato-fly (Anthomyia tuberosa): The pupa is very like the larva.
1, Larva, or maggot, natural size;
2, larva magnified; 3, Potato-fly.

Curtis) and the caterpillar of the Death's-head Moth (Acherontia atropos, Linn.) feed on the leaves and stems of potatoes, but rarely do serious damage.

Source scan(s): p. 0366