Chironomidae Exuviae: Dichotomous key: step 146: "Chironomini 43 Chironomus"

Key: Step 146. Chironomini 43 Chironomus

146a. Anterior points of tergite VI arranged in short rows which are themselves alligned in distinct horizontal rows that continue across the tergite (101h.jpg). On tergite VII the short rows of points continue posteriorly to the level of the anterior adhesion marks.

Chironomus lob-pe2a

146b. Anterior points of tergite VI arranged in short rows which are alligned in horizontal rows across the centre of the point patch but become disorganized and irregularly arranged laterally (101c.jpg). On tergite VII the short rows of points become disorganized before the anterior adhesion marks.

Chironomus storai

Remaining
Excluded

Chironomus lob-pe2a
Chironomus storai

Decision path