Key: Step 124. Chironomini 21 Glyptotendipes

124a. Comb of segment VIII with short teeth with swollen bases (149t.jpg). Frontal apotome broadly truncate apically (149s.jpg).

Glyptotendipes pallens

124b. Comb of segment VIII composed of narrow spinous teeth (149p.jpg). Frontal apotome more gradually contracted to apex (149o.jpg) (but can be squashed in some preparations to resemble that of pallens).

Glyptotendipes glaucus-x-pallens
Decision path