Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Different pitfall types. A = Jar or yoghurt can. B and C = traps with an outer can to make collecting of the sample easier. B = funnel trap with small jar. C = trap for moist biotopes (the outer can contains gravel or stones to prevent the can from being pushed up by groundwater). V = preservative (usually formaldehyde 3–4% or propylene glycol), S = stones or gravel.
