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Photo#107369
Large Caddisfly--tibial spurs - Ptilostomis - female

Large Caddisfly--tibial spurs - Ptilostomis - Female
Snowhill Road north of Cabin Branch Creek, Durham County, North Carolina, USA
May 3, 2007
Size: 24 mm
Shows the following characteristic(s) of the family Phryganeidae (1):
  • front tibia has 2 or more spurs, middle tibia has 4
See guide page for details. The middle leg is actually crossed under the front, projecting forward--this confused me! Shows, also, the following characteristic of the order Trichoptera (2):
  • tarsi with 5 segments

Images of this individual: tag all
Large Caddisfly - Ptilostomis - female Large Caddisfly - Ptilostomis - female Large Caddisfly - Ptilostomis - female Large Caddisfly (5-segmented palpi) - Ptilostomis - female Large Caddisfly--tibial spurs - Ptilostomis - female Large Caddisfly--detail of wing scales - Ptilostomis - female