Aphis beringiensis Stekolshchikov & Khruleva, 2015, sp. nov.

• Main Authors: Stekolshchikov, Andrey V., Khruleva, Olga A.
• Format: Other/Unknown Material
• Language: unknown
• Published: Zenodo 2015
• Subjects: Biodiversity; Taxonomy; Animalia; Arthropoda; Insecta; Aphidomorpha; Aphididae; Aphis; Aphis beringiensis; Chukotka; Chukotka Autonomous Okrug; Kamchatka; Alaska; Beringia; Yukon
• Online Access: https://doi.org/10.5281/zenodo.6096510; http://treatment.plazi.org/id/03B487ABFFEAFFC996808F03FBE864C5

Aphis beringiensis sp. nov. (Figs. 19–25, Tabl. 2) Type material. Holotype : alate viviparous female, No. 10263, slide No. 1, “ Aphis beringiensis sp. nov., Chukotka Autonomous Okrug, Anadyrskiy District, 40 km SSW vill. Beringovskiy, N 62° 43', E 178° 56', in yellow trap, 21.vii.2012, coll. A.V. Stekolshchikov”. Paratypes : 1 al., No. 10253, from the same locality as holotype, 18.vii.2012, in yellow trap; 2 al., No. 10263, together with holotype; 1 al., No. 10277, from the same locality as holotype, 20.vii.2012. Etymology. The name beringiensis is derived from the geographical name “Beringia”, a loosely defined region which includes parts of Chukotka and Kamchatka in northeastern Asia as well as Alaska and Yukon in western North America. Description. Alate viviparous female. Body egg-shaped, 2.0–2.3 (2.1) times as long as its width. Colour of living specimens unknown. Cleared specimens with head, thorax, 1st and 2nd antennal segments, sclerite at bases of coxae, coxae, trochanters, middle and hind femora (except for base), bases and apices of tibiae, tarsi, siphunculi and cauda dark brown; 2nd–6th antennal segments, bands, and marginal sclerites on abdomen, peritremes, subgenital and anal plates brown; fore femora and tibiae light brown. Abdomen with bands on tergites I–VIII, small marginal sclerites on I and VII, and large marginal sclerites on segments II–VI; marginal sclerites on segments V and VI partially fused and forming sclerotized area around siphunculi; marginal sclerites and bands on segments VI–VII always fused. Surface of head, dorsal and ventral side of thorax smooth or slightly wrinkled; surface of abdominal tergites I–V indistinctly reticulate, contour of reticulate cells formed by very flat large spinules; abdominal tergite VI with sparse rows of smooth spinules situated on the contour of reticulate cells; tergite VII with rows of smooth spinules which on tergite VIII partially fuse to form short scales; marginal sclerites on segments II–VI with sparse rows of large smooth spinules sometimes ...