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Species Page - Caloptilia
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scientific name    Caloptilia    

common name     Leaf Miners

habitat
Deciduous treed areas.

seasonality
Larvae active through spring until summer. Pupae or adults overwinter. If adults overwinter, they emerge in summer and are active until winter, mate in the spring.

identification
Small moth with wingspan of 9-16mm. Fore-body elevated with front legs. Front wings narrow and pointed with fringes. Hind wings somewhat reduced and large fringes on leading and hind edges. Patterned wings of dark scales. Antennae as long or longer than body. Pupae distinguish genus Caloptilia from genus Gracillaria (Patocka and Zach, 1995). Larvae mine the leaves or create rolls in deciduous trees.

life history
First few instars mine the epidermis of fresh leaves. They emerge to create a roll under the leaf or create a conical shelter. They will create a cocoon within or on the underside of the leaf. Pupae push through the cocoon to allow the adult to emerge. Most of the members of this genus are bivoltine. Either the pupae or the adults overwinter to mate in the spring (Potcka and Zach, 1995).

conservation
Not well documented in western North America.

diet info
Consume trees in the families Aceraceae, Betulaceae, Fagaceae, Salicacaea or Juglandaceae. Some species will thrive on Humulus lupulus or Azaleae spp (Patocka and Zach, 1995).

range
Native to Europe and well documented in eastern North America. Four species have been documented in Alberta. Specimens mainly found in central to northern Alberta or in the foothills.

quick link
http://entomology.museums.ualberta.ca/searching_species_details.php?s=28941



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