The stonefly (order Plecoptera) is the official macroinvertebrate of the State.75 Del. Laws, c. 37, § 1;
Delaware Legal Code
§ 320
Delaware Title 29 — Delaware law
Source: https://delcode.delaware.gov/title29/c003/index.html· Version 2026
Delaware Title 29 — Delaware law
The stonefly (order Plecoptera) is the official macroinvertebrate of the State.75 Del. Laws, c. 37, § 1;
Source: https://delcode.delaware.gov/title29/c003/index.html· Version 2026