Chaetocladius perennis (Meigen, 1830)

Moubayed, Joel & Langton, Peter H, 2019, CHAETOCLADIUS BERYTHENSIS SP. N., C. CALLAUENSIS SP. N., C. GUARDIOLEI SP. N. AND C. PARERAI SP. N., FOUR RELICT SPECIES INHABITING GLACIAL SPRINGS AND STREAMS IN EASTERN PYRENEES AND LEBANON (DIPTERA: CHIRONOMIDAE) Abstract, CHIRONOMUS Journal of Chironomidae Research 32 (32), pp. 42-59 : 54-56

Chaetocladius perennis

(n = 5 male exuviae including 3 male pharate adults; Fig. 6E )

Eastern Pyrenees, SW France.

1. FS, well-developed, about 90 μm long; 2. TH, elongated with nearly parallel-side margins ( Pankratova 1970, Fig. 144);

3. Dc 1 located close to Dc 2, Dc3 close to Dc 4 ( Fig. 6E ); d1 = d3, 10-15; d2, 50-60;

4. Dc

1, Dc

3 and Dc

4 (type-a); Dc

2, (type-b);

5. Absent;

6. M, thorn to long spine; ApiL, finger-like, located laterally.

Figures

Figure 6. Pupal exuviae of Chaetocladius spp. Frontal apotome of: A) C. cf. callauensis sp. n.; B) C. mantetensis; C) C. cf. guardiolei sp. n. Distribution pattern of dorsocentral setae on thorax of: D) C. melaleucus; E) C. perennis; F) C. guisseti; G) C. mantetensis; H) C. bitusiki; I) C. cf. laminatus; J) C. cf. callauensis sp. n.; K) C. cf. guardiolei sp. n; L) C. cf. parerai sp. n.