Gerris argenticollis

Parshley, 1916

Gerris argenticollis is a water strider native to North America. It inhabits temporary woodland ponds and exhibits temperature-dependent activity patterns, becoming active when air temperatures exceed 12°C. The species overwinters as and has been successfully reared in laboratory conditions.

Gerris argenticollis by (c) Matthew Pintar, some rights reserved (CC BY), uploaded by Matthew Pintar. Used under a CC-BY license.

Pronunciation

How to pronounce Gerris argenticollis: //ˈɡɛrɪs ˌɑːrdʒəntɪˈkɒlɪs//

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Habitat

Temporary woodland ponds in forested areas. Specific requirements beyond pond type have not been documented in available sources.

Distribution

Documented from Jackson County, Illinois. GBIF records indicate presence in North America broadly, though specific range boundaries remain undefined.

Seasonality

overwinter and become active in early March. Adult presence extends until mid-June. Activity is triggered when air temperature exceeds 12°C.

Life Cycle

with one per year. Overwinters as . incubation averages 12.5 days. Five nymphal stadia average 9.0, 7.6, 8.0, 9.2, and 12.0 days respectively. Total developmental period from egg to adult averages 58.3 days.

Behavior

Activity resumes in early spring when air temperatures exceed 12°C. are present from March through mid-June.

More Details

Laboratory Rearing

Successfully reared from to in laboratory conditions using adult Drosophila melanogaster as prey. stages have been described morphologically.

Data Limitations

Available information is restricted to abstract-level details from a single published study. Natural diet, precise geographic range, and ecological interactions remain undocumented.