Epermenia aequidentellus Hofmann

This relatively uncommon, locally distributed species is associated mainly with carrot. The larvae at first form brownish blotch mines in the leaflets but, later, they feed externally. Damage caused to cultivated plants is insignificant, although foliage of individual plants, especially in gardens and allotments, may be destroyed. Adults occur from June to July and from September to October, and larvae from May to June and from August to September. Larvae are distinguished from those of Epermenia

Fig. 277 Forewing of Epermenia chaerophyllella

Fig. 277 Forewing of Epermenia chaerophyllella

Fig. 278 Larva of Epermenia chaerophyllella (x!2).

BIOLOGY

Adults fly in June and July, when eggs are laid singly on the underside of leaves. Following egg hatch, the larvae at first mine within the leaves. Later, they feed externally but remain sheltered within a fragment of leaf that forms a characteristic case. Larvae overwinter within their cases and complete their development in the spring. Pupation takes place within the larval case, and the adult moth emerges about 2 weeks later.

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