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  Entomology Department > Research > Systematics > Blephariceridae > Keys

Key to Instar IV Larvae of Eastern Nearctic Blepharicera (Bl. tenuipes species-group)

Couplets: 1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  

Couplet 14(13)

Note: The remaining species can be difficult to distinguish; this continuation refers to typical specimens.

Cephalothorax, trunk, and prolegs mostly yellow but sometimes with dark highlights; cranial sclerites usually yellow but with dark frontoclypeal apotome; antennae long, total length greater than length of frontoclypeal apotome...Bl. cherokea Hogue Cephalothorax, trunk, and prolegs mostly dark but with light highlight; cranial sclerites either uniformly dark or dark with light highlights; antennae short, total length less than length of frontoclypeal apotome...15
Long ecdysial stem-line Short ecdysial stem-line


© 2000 Iowa State University Entomology Department. Last modified February 2, 2000.
Supported by NSF 9796275.