Beckidia pe1

Form described by Langton, 1991

Diagnosis (n=7, unless stated otherwise)
Exuviae 3.8-4.1mm long (n=7) (107-2.jpg).
Cephalothorax: Cephalic tubercles absent; frontal setae 25-38µm long.
Abdomen: Hook row II medially widely interrupted (107f.jpg), length of row 0.07 (0.4 gap) 0.07, 0.11 (0.51 gap) 0.08x width tergite (n=2); hooks 10/9-13/11. Tergites II-VI with median point patch and posterior band fused to form a nearly rectangular patch of strong points, and there is a reduced patch on VII. At least posterior segments with extensive reticulation. Conjunctives unarmed. Sternites I-III without spines. Pedes spurii B present on segment II, armed with colourless spinules. Lateral taeniae of segments V-VIII: 4,4,4,4. Comb of segment VIII absent.
Anal segment: Fringe of anal lobe with 56-65 taeniae (107g.jpg).

Form keys out at Page 235: Chironomini 132 Beckidia of the Text Key.

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

Ecological notes
Large slow flowing rivers with sandy bottoms.