cryptopentamerous
Entomology (now rare )
adjective
(Of an insect) having tarsi that seem to have four joints but actually have five, with one of the joints minute or concealed; (of a tarsus) having this form.
- Such tarsi are characteristic of certain groups of beetles..
Origin
Mid 19th century; earliest use found in William Shuckard (?1803–1868), entomologist. After post-classical Latin cryptopentamera, plural.