
1) Wingless crawlies 2) Wingless female aphid
Found on
https://www.crosswordclues.com/clue/aptera

Aptera is an obsolete taxonomic category, which included the Apterygota along with various other wingless arthropods. Aptera may also refer to: Aptera also serves as a specific epithet in the names of various species: ...
Found on
http://en.wikipedia.org/wiki/Aptera

• (n. pl.) Insects without wings, constituting the seventh Linnaen order of insects, an artificial group, which included Crustacea, spiders, centipeds, and even worms. These animals are now placed in several distinct classes and orders.
Found on
http://thinkexist.com/dictionary/meaning/aptera/
Ap'te·ra noun plural [ New Latin
aptera , from Greek ... without wings;
'a priv. + ... wing, ... to fly.]
(Zoology) Insects without wings, constituting the seventh Linnæn order of insects, an artificial group, which included Crustacea, spiders, centipeds, and even worms....
Found on
http://www.encyclo.co.uk/webster/A/111

Primitive wingless insect group.
Found on
http://www.geog.ubc.ca/biodiversity/efauna/InsectGlossary.html
No exact match found.