Patellapis (Chaetalictus) semipastina (Cockerell 1940)

Timmermann, Kim & Kuhlmann, Michael, 2009, Variable Selection and Inference for Multi-period Forecasting Problems, Zootaxa 2099, pp. 1-188 : 127-128

Patellapis (Chaetalictus) semipastina (Cockerell 1940)

Halictus semipastinus Cockerell, 1940b: 250 .

( Figs. 88a–d )

Diagnosis. The male is unknown. The female is characterised by the coarsely serrate inner hind tibial spur and the basal area of propodeum, which is nearly completely reticulate (slightly wrinkled).

Description

Female. Bl = 5,0– 5,1mm. Head. L = 1,4–1,5mm; W = 1,5mm. Head as wide as long ( Fig. 88a ). Integument black except mandibles, malar area and clypeus usually partly reddish-brown. Face predominantely shiny and with loose, greyish to pallid brownish, erect hairs. Mandibles bidentate. Clypeus and supraclypeal area convex in profile. Clypeus strongly and densely punctate; surface shiny. Clypeoantennal distance 0,3mm. Supraclypeal area sparsely punctate; surface shiny; finely and completely reticulate. Paraocular area moderately densely punctate; surface shiny and extensively sculptured. Antennae mostly reddish-brown. Mesosoma. L = 1,0mm; W (ITS) = 1,1–1,2mm. Integument black. Scutum shiny; surface strongly and completely reticulate; disc sparsely punctate (i = 3,0d) ( Fig. 88b ). Scutellum as illustrated in Fig. 88c . Scutum, scutellum, metanotum, mesepisternum and propodeum with greyish and brownish, erect hairs. Basal area of propodeum as illustrated in Fig. 88c ; propodeum and marginal region of posterior truncation shiny; completely reticulate. Wings. Hyaline. Legs. Integument brownish. Vestiture greyish to pallid brownish. Ts coarsely serrate; with 3–4 long, broad, oblique projections. Metasoma. L = 2,6–2,9mm; W = 1,5–1,6mm. Integument brownish except the margins of T usually pallid brownish to pale; margins broadly translucent. Weak and whitish apical hair bands present on T2–T4; those on T2–T3 usually only present laterally. Prepygidial fimbria pallid brownish. Metasomal terga T1–T2 as illustrated in Fig. 88d .

Male. Unknown.

Type material ( 1 specimen). Holotype, femlae, Natal: National Park, 03.–15.iii.1932, J. Ogilvie (white label) (published: Natal : Drakensburg National Park), Pres. By Imp. Inst. Ent. B.M. 1939–354 (white label), Type (red-white label), B.M. TYPE HYM. 17a.2610 (white label), Halictus semipastinus Ckll Type (white label), BMNH.

Additional material (9 specimens). 8♀. South Africa, Free State : 8♀, Van Reenen, xii.1926, leg. R . E. Turner, Brit. Mus. 1927–25, BMNH ; 1♀, idem., 07.iii.1927, Brit. Mus. 1927–147, BMNH .

Distribution ( Fig. 93 ). Records only exist for Van Reenen (Free State) and the Natal National Park (KwaZulu-Natal).

Floral visitation. Unknown.

Seasonal activity (first–last observations). xii–iii.

Figures

FIGURE 88. Patellapis (Ch.) semipastina, female: a. Head (scale=0,5mm); b. Scutum (scale=0,5mm); c. Scutellum and propodeum (scale=0,5mm); d. Metasomal terga T1 and T2 (scale=1mm).

FIGURE 93. Distributions of P. semipastina, P.turneri and P. vumbensis.