Subject: Large winged insect
Geographic location of the bug: Western Pennsylvania
Time: 07:22 PM EDT
Your letter to the bugman: Found this very weak insect on our back porch today. Never saw its kind around here and was wondering if you folks would know its species.
How you want your letter signed: Richard
This is a Fishfly in the genus Chauliodes. According to BugGuide: ” Larvae leave the water to pupate under bark or in rotting wood; pupal period takes ~10 days. Adults live a week or less. Eggs are laid in masses on vegetation near water. Larvae hatch and crawl to water.”