Arctorthezia Cockerell, 1902

Szita, Eva, Kaydan, Mehmet Bora, Benedicty, Zsuzsanna Konczne, Tanaka, Hirotaka, Fetyko, Kinga & Kozar, Ferenc, 2015, The genus Arctorthezia Cockerell (Hemiptera, Ortheziidae) with the description of a new species, ZooKeys 472, pp. 59-75 : 61-62

Taxon classification Animalia Hemiptera Ortheziidae

Genus Arctorthezia Cockerell, 1902

Orthezia (Arctorthezia) Cockerell 1902: 114. Type species: Orthezia occidentalis Douglas, 1891.

Arctorthezia , Morrison 1925: 143 (as subgenus). Change of status.

Arctorthezia , Morrison 1952: 53 (as genus). Change of status.

Type species.

Orthezia occidentalis Douglas, 1891: 245. Subsequently designated by Cockerell 1902: 259.

Comments.

Cockerell (1902) described Arctorthezia as a “section” of Orthezia . According to the International Code of Zoological Nomenclature, Article 10 (e) a “section” is deemed to be a subgeneric name when proposed for a species-group division of a genus. Thus, Cockerell is considered to be the author of Arctorthezia ( Kozár 2004).

Description.

Unmounted female. Live adult female with 9 pairs dorsal wax plates in each marginal row, 8 pairs in each submedian band, and 3 triangular or shield-shaped plates in centre of thorax. Ovisac parallel sided, short, about half length of body (Fig. 5).

Mounted female. Antenna 7 or 8 segmented, covered with strong spines; apical seta a blunted strong spine. Claw without denticle. Abdominal spiracles numbering 7 or 8 pairs, situated on margin of dorsum. Three triangular wax plates present on mid-dorsum. Three or four rows of spines present within ovisac band.

Host plant.

Found under mosses and stones on the roots of different plants, also reported from ant nests.

Distribution.

The known species are distributed only in the Holarctic Region.

Key to adult females of species of Arctorthezia

Unfortunately the type material of Arctorthezia vardziae was not available. For this reason we could not include this species in the key. In the original description, Hadzibejli (1963) only provided generic characters that refer to the genus description, so further studies are needed to clarify the species concept of Arctorthezia vardziae .