Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 87. Tanypodinae 73 Schineriella

87a. Thoracic horn about 3 times as long as broad, the atrium nearly filling the horn lumen; plastron plate without a rim (022b.jpg). Thorax smooth.
022-1.jpg species overview

Schineriella schineri

87b. If thoracic horn less than 4 times as long as broad, the atrium is about 2/3rds the width of the horn lumen; plastron plate with a smooth rim. Thorax granulate. Note Ta73.

Step 88. Tanypodinae 74 Paramerina
Decision path