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Classification
Phthinia tanypus Loew, 1869
- Distribution after:
Phthinia tanypus
Distribution after:Phthinia carolina
Distribution after:Phthinia tanypus
Diagnostic description:Phthinia tanypus is distinguished from other Nearctic species by the presence of two unequal spines on the outer surface of the gonostylus (long apical spine and shorter basal spine) and a small, semi-transparent, apically spatulate lobe on the inner surface of the gonostylus. The subrectangular median structure lying just dorsal to the posteromedian margin of the gonocoxites is also distinctive.
Taxon biology:Phthinia tanypus is the most widespread and commonly collected Phthinia species in the eastern Nearctic region, with records from Manitoba, Quebec, Nova Scotia, Iowa, Indiana, Michigan, Pennsylvania, New York, New Hampshire, Massachusetts, North Carolina, South Carolina, Virginia, Tennessee, Missouri, Kentucky, and Georgia. Habitats include ash woods, mature oak, beech, maple woods, and maple forest with fern undergrowth. Along with P. lobata, many specimens of this species were taken at Ledges State Park, Iowa which includes mixed forests of oak, hickory, maple and basswood. Specimens have also been taken in the mouth of a cave, in a hollow log, swept from a log pile, and taken in Malaise traps. Seasonal distribution is April–October with a single outlying record from Georgia in January, but the majority of specimens have been taken June–August.
Distribution:(after Fitzgerald & Kerr, 2014)
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