Chironomidae Exuviae
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Chironomidae Exuviae
Key: Step 258. Chironomini 155

258a. At the posterior end of the anal lobes is a tuft of short broad dark taeniae differing markedly from those of the rest of the fringe (114b.jpg; 114d.jpg). (Vortex absent. Thoracic horn much branched. Thorax with a single row of large tubercles along suture.)

Step 259. Chironomini 156 Endochironomus

258b. Fringe of anal lobes normal, without a terminal bunch of conspicuously different taeniae.

Step 260. Chironomini 157 Synendotendipes
Decision path