Explanation of Names
Author of genus is Loew, 1873. Name may be from eu-, Greek thorough, true and treta, Greek (from Sanskrit?) steel. (Based on Internet searches.)
Identification
Wing pattern of genus is fairly (?) distinctive, see photos.
Range
Includes eastern North America
Season
Spring-early fall. May-October (E. sparsa, North Carolina)
Food
Adults likely do not feed.
Life Cycle
E. caliptera forms galls in Asteraceae, such as
Erechtites hieraciifolia, see
All Taxa Biodiversity Inventory - Great Smoky Mountains National Park. E. rotundipennis is known to form galls in Wingstem,
Verbesina alternifolia, see
All Taxa Biodiversity Inventory - Great Smoky Mountains National Park. Presumably other members of genus are gall-formers in Asteraceae.
Remarks
Guide TBA--PC (Check other refs. for origin name.)
Print References
Brimley, p. 384, lists E. rotundipennis and E. sparsa (=noveboracensis, based on Internet searches) for North Carolina.
(1)Internet References
Insects of Cedar Creek--Eutreta novaeboracensis (misspelled noveboracensis)
All Taxa Biodiversity Inventory - Great Smoky Mountains National Park:
E. caliptera,
E. rotundipennis
USDA-SEL--photo of
Eutreta divisa from California
Contributed by
Cotinis on 28 January, 2005 - 10:37pm
Additional contributions by
Robin McLeodLast updated 23 July, 2005 - 9:15am
