Agistemus collyerae González-Rodrigues, 1963

Saccaggi, Davina L. & Ueckermann, Edward A., 2018, Agistemus collyerae (Acari: Trombidiformes: Stigmaeidae) in South Africa: first record, introduction pathways and a re-description including additional life stages, Acarologia 58 (1), pp. 116-130 : 118

Agistemus collyerae González-Rodrigues ( Figs. 1-8 )

Agistemus collyerae González-Rodrigues, 1963: 349 ; 1965: 34; Fan & Zhang, 2005: 41; Ferreira et al., 2007: 56; Rahmani et al., 2012: 105; Beyzavi et al., 2013: 397; Yeşilayer and Çobanoğlu, 2013: 96; Fan et al., 2016: 31. Zetzellia collyerae (González-Rodrigues) Wood, 1967: 131 .

Material examined — Eight females, two males and one deutonymph from grapevine, Wellington , 16 April 2015; one female from Malmesbury , 16 March 2015; and one female from Riebeek West , 17 April 2015. All these locations are within the Western Cape Province, South Africa. Specimens are deposited in the National Collection of Arachnida (NCA) in Pretoria, South Africa. Measurements are given in Table 1 . Other features are described below.

Diagnosis (Female) — Dorsal shields reticulated, setae c1 and d1 shorter than distances to setae d1 and e1, respectively; setal formulae of genua 3-0-0-0, femora 4-4-2-2 and tibiae 6-6-6-4, coxa IV with one seta.

Figures

Figure 1 Female Agistemus collyerae: Dorsal view (photo).

Figure 2 Female Agistemus collyerae: A – dorsum; B – dorsal setae.

Figure 3 Female Agistemus collyerae: A – venter; B – palp; C – subcapitulum.

Figure 4 Female Agistemus collyerae: A – leg I; B – leg II.

Figure 5 Female Agistemus collyerae: A – leg III; B – leg IV.

Figure 6 Male Agistemus collyerae: A – dorsum; B – venter; C – gnathosoma.

Figure 7 Male Agistemus collyerae: A – leg I; B – leg II.

Figure 8 Male Agistemus collyerae: A – leg III; B – leg IV.