Arytinnis cognata (Loginova) Percy Csiro, 2003

Percy Csiro, Diana M., 2003, Legume-feeding psyllids (Hemiptera, Psylloidea) of the Canary Islands and Madeira, Journal of Natural History 37, pp. 397-461 : 439

Arytinnis cognata (Loginova) comb. n.

(figure 21B)

Arytainilla cognata Loginova, 1972: 22 ; Hodkinson and Hollis, 1987: 42.

Adult

Colour. Grey-green to yellow-green, mature specimens darker with abdominal intersegments yellow-green; forewing clear, veins uniform mid-brown.

Descriptions. Loginova (1972, 1977).

Nymph

Colour. Fifth instars bright green to blue-green or yellow-orange, with black tergites.

Fifth instar structure. Antennal segments seven.

Fifth instar measurements: (Specimens 7) BL: 1.45–1.98; BW: 0.95–1.2; WL: 0.54–0.64; CPL: 0.45–0.51; CPW: 0.62–0.74; RW: 0.17–0.19; HW: 0.62–0.74; AL: 0.91–0.99.

Fifth instar chaetotaxy. Head setae simple; ocular seta simple, inconspicuous; primary and secondary post-ocular setae simple or narrowly capitate. Dorsal thoracic setae short simple. Forewing pad macrosetae four to seven, simple or distinctly capitate, marginal (one apical seta capitate or simple, remainder simple); hindwing pad macrosetae two, simple or distinctly capitate, marginal (one apical, one proximal), apical seta paired with small simple seta; proximal setae simple (sometimes indistinct); simple microsetae scattered on the wing pad surfaces. Dorsal abdominal pre-caudal macrosetae present on anterior tergites, long simple, caudal plate macrosetae absent or four to seven simple (sometimes with one centrally and posteriorly placed); sectasetae four pairs; marginal abdominal setae (other than sectasetae) three or four pairs (fourth frequently reduced), simple, narrowly or distinctly capitate; pleurite setae paired simple (distal sometimes slightly capitate). Legs with simple setae only.

Host plant. Genista florida var. maroccana .

Distribution. Continental: Morocco.

Notes. Occurs in the High Atlas mountains on a variety of Genista florida endemic to this region. The variety of Genista florida occurring in Portugal was found to host a Livilla species.

Material examined. Morocco: 20 WX, High Atlas , SW Imlil El Haj, 28 April 1961, P. N. Lawrence ( BMNH) . 44 W, 40 X, 10 nymphs, High Atlas , north of Tizi n’ Test pass, 30°50∞N, 8°30∞W, ca 2080 m, 19 June 1998 ( DP 238 ) . 3 W, 5 X, 3 nymphs, High Atlas , rd to Oukaïmeden, Vallée de l’Ourika, 31°10∞N, 7°45∞W, ca 2000 m, 1 May 1999 ( DP 324 ) . 22 W, 29 X, 9n, High Atlas , ca 2 km below Oukaïmeden, Vallée de l’Ourika, 31°08∞N, 7°40∞W, ca 2600 m, 1 May 1999 ( DP 325.1 ) . 6 W, 3 X, High Atlas , S of Tizi n’ Test, 30°50∞N, 8°28∞W, ca 2000 m, 2 May 1999 ( DP 329 ) .