Stigmella ilsea

Stigmella ilsea is a moth of the family Nepticulidae. It is found in New Zealand.

Stigmella ilsea
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Lepidoptera
Family:
Nepticulidae
Genus:
Stigmella
Species:
S. ilsea
Binomial name
Stigmella ilsea
Donner & Wilkinson, 1989

The length of the forewings is about 2 mm. Adults have been recorded in January, October and November. Reared specimens emerged from July to September. There is probably one generation per year.

The larvae feed on Olearia virgata, Olearia rugosa, Olearia odorata, Olearia laxiflora, Olearia lineate and Olearia hectorii.[1] They mine the leaves of their host plant. The mine starts as very narrow gallery, but a full-grown larva occupies all space between the cuticles, leaving nothing but a small, empty bladder. Larva have been recorded from February to May and in July and September. They are 2–3 mm long and pale yellow.

The cocoon is pale brown and spun in detritus on the ground.

References
  1. "PlantSynz - Invertebrate herbivore biodiversity assessment tool: Database". plant-synz.landcareresearch.co.nz. Retrieved 2018-07-12.


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