Orthocladius (Orthocladius) pallidicornis Lundstrom 1915

Orthocladius (Orthocladius) pallidicornis Lundström, 1915: 13 (Figs. 14–18) Type material. Lectotype ɗ, here designated: RUSSIA: Chara­Ullach Mts., 12 vii 1902, M. I. Brussnew. Paralectotypes: 3 Ψ (including 1 misidentified Tokunagaia sp., and 1 misidentified Tanytarsini lacking the abdomen), as lec...

Full description

Bibliographic Details
Main Author: Saether, Ole A.
Format: Other/Unknown Material
Language:unknown
Published: 2004
Subjects:
Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Chironomidae
Orthocladius
Orthocladius pallidicornis
Seta
Arctic
Online Access:https://zenodo.org/record/6271194
https://doi.org/10.5281/zenodo.6271194
Description
Summary:Orthocladius (Orthocladius) pallidicornis Lundström, 1915: 13 (Figs. 14–18) Type material. Lectotype ɗ, here designated: RUSSIA: Chara­Ullach Mts., 12 vii 1902, M. I. Brussnew. Paralectotypes: 3 Ψ (including 1 misidentified Tokunagaia sp., and 1 misidentified Tanytarsini lacking the abdomen), as lectotype except 12 vii and 16–17 vii 1902. MALE IMAGO (n = 1) Total length 3.63 mm. Wing length 2.11 mm. Total length/wing length 1.72. Wing length/length of profemur 2.86. Coloration pale brown with dark brown vittae, postnotum and preepisternum. Head. AR 0.95. Ultimate flagellomere 420 m long. Temporal setae 15, including 7 inner verticals, 4 outer verticals, and 4 postorbitals. Clypeus with 7 setae. Tentorium 173 m long, 26 m wide. Stipes 150 m long, 41 m wide. Palpomere lengths (in m): 38, 45, 101, 94, 173. Third palpomere with 2 lanceolate sensilla clavata 15 m long. Thorax. Antepronotum robust, projecting, with 2 setae. Acrostichals apparently 11, dorsocentrals 7, prealars 3. Scutellum with 4 setae. Wing. VR 1.10. Anal lobe conspicuous, projecting [, as in O. (O.) decoratus (Holmgren), see Soponis (1977: fig. 14 f)]. Costal extension 8 m long. Brachiolum with 1 seta, other veins bare. Squama with 15 setae. Legs. Spur of front tibia 41 m long, spurs of middle tibia 26 and 23 m long, of hind tibia 60 and 23 m long. Width at apex of front tibia 41 m, of middle tibia 39 m, of hind tibia 45 m. Sensilla chaetica (possibly only curved setae?): 6 spaced along full length of ta 1 of mid leg, and 2 apically on hind leg. Lengths (in m) and proportions of legs: Hypopygium (Fig. 14). Tergite IX with 17 setae, including 9 on anal point; laterosternite IX with 5 setae. Anal point sharply pointed, 38 m long. Phallapodeme 60 m long; transverse sternapodeme 68 m long, oral projections indicated. Virga 19 m long, apparently consisting of several longitudinally arranged, shorter spines. Gonocoxite 233 m long, superior volsella prominent, hook­shaped, with conspicuously broad microtrichia; inferior volsella weak. Gonostylus 109 m ...

Similar Items