Micropsectra pe6

new form

Exuviae 4.2-4.6mm long (m=4.4mm, n=11).
Cephalothorax: Cephalic tubercles small conical, 20µm high (n=1). Frontal setae 70-110µm long (m=88.8µm, n=8). Thoracic horn 180-290µm long (m=216.3µm, n=8), seta L 0.55-1.1x horn length (n=8); ThR 5.4-9.1 (m=6.6, n=8).
Abdomen: Length hook row II 0.36-0.46x width of tergite (n=4); hooks 81-101 (n=6). Lateral longitudinal bands of tergite IV of long spines, of V of small points only. Comb of segment VIII 16-31µm broad (m=19.8µm, n=12), with 2-4 marginal teeth (m=2.6, n=11). Lateral taeniae of segments IV-VIII: 2,3,4,4,5.
Anal segment: Fringe of anal lobes with 30-38 taeniae (m=33.9, n=9).

Form keys out at Page 513: Tanytarsini 154 Micropsectra of the Text Key.

(For more information see module IdentifyIt – file: Chironominae).

Ecological notes
Southern streams.