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.
Water content (A), super cooling point (B), and freezing point (C) of Harmonia axyridis in different populations. The overwintering population was obtained from Northeast China and the experimental population from Hangzhou. Bars with double asterisks indicate significant differences (P < 0.01).
