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 5(4)

Body coloration "pie-bald"; dorsal secondary sensillae sparse, mostly clavate...Bl. separata Alexander	Body coloration uniformly pale (yellow), except cranial sclerites (dark brown); dorsal secondary sensillae numerous, clavate and long setiforms...Bl. capitata Loew