mallophaga: Philopterus excisus, July 21; Myrsidea sp.
"Summer Birds From the Yucatan Peninsula"
Erwin E. Klaas
The mallophaga, or Bird-lice, are degraded wingless insects, and are parasitic chiefly on birds, but also on mammals.
"Directions for Collecting and Preserving Insects"
C. V. Riley