Fig. 1.
A Plagiorchis muris metacercaria collected from a dragonfly, Sympetrum darwinianum. A stylet (arrowhead) is in the oral sucker which is larger than the acetabulum (Ab). Bar=50 µm.
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.