Aphis aquilonalis 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 aquilonalis; Chukotka; Chukotka Autonomous Okrug
• Online Access: https://doi.org/10.5281/zenodo.6096507; http://treatment.plazi.org/id/03B487ABFFE5FFCF96808E50FB776158

Aphis aquilonalis sp. nov. (Figs. 2–18, Tabl. 1) Type material. Holotype : apterous viviparous female, No. 10270, slide No. 19, “ Aphis aquilonalis sp. nov. , Chukotka Autonomous Okrug, Anadyrskiy District, 40 km SSW vill. Beringovskiy, N 62° 43', E 178° 56', Rumex arcticus Trautv., 28.vii.2012, on lower side of leaves and between flowers and fruits, coll. A.V. Stekolshchikov”. Paratypes : 1 fund, 42 apt., 27 males and 100 ovip., No. 10270, from the same locality and the same data as holotype; 1 al., No. 10270, reared on 31.vii.2012 from alatoid nymphs from the same locality as the holotype, transferred to plants in laboratory conditions. Etymology. The name aquilonalis is an adjective and derived from the Latin word “ aquilonalis ” (=northern). Description. Fundatrix. Body broadly elliptical, 1.5 times as long as its width. Colour of living specimens unknown. Thorax and abdominal dorsum with sclerotized bands and marginal sclerites on all segments, but sometimes they are relatively weakly sclerotised; bands on abdominal tergites I–VI often interrupted in the midline. Antennae 6-segmented, or 5-segmented as a result of fusing of 3rd and 4th segments. Arms of mesosternal furca separated. Chaetotaxy of first tarsal segments 3, 3, 2 or 3, 2, 2. Cauda elongate triangular. Apterous viviparous female. Body broadly elliptical, 1.4–1.6 (1.5) times as long as its width. The living specimens dark brown, almost black, or dark dirty yellowish-brown, with sparse waxy pulverulence on dorsal and ventral sides or only on ventral side; antennae dark with pale base of 3rd segment; fore femora light-grey with pale bases and black apices; middle and hind femora dark with pale bases; tibiae pale with dark apices; tarsi, siphunculi, and cauda dark. Cleared specimens with dark brown intersegmental plates on abdomen, siphunculi, anal plate and cauda; with head, 1st and 2nd antennal segments, 3rd segment of rostrum, coxae of all legs, trochanters and femora of middle and hind legs (except for bases), apices of tibiae, tarsi, sclerites ...