Frutillaria kuscheli Richards

Kits, Joel H. & Marshall, Stephen A., 2011, A revision of Frutillaria Richards and Penola Richards (Diptera: Sphaeroceridae: Archiborborinae), Zootaxa 2863, pp. 1-34 : 18-20

publication ID	https://doi.org/ 10.5281/zenodo.203208
DOI	https://doi.org/10.5281/zenodo.6191617
persistent identifier	https://treatment.plazi.org/id/5562879B-FFC3-FFC3-EAA4-FAD5B233FED5
treatment provided by	Plazi
scientific name	Frutillaria kuscheli Richards
status

Treatment

Frutillaria kuscheli Richards View in CoL

( Figs. 35–37 View FIGURES 35 – 39 , 81, 82, 85 View FIGURES 77 – 85 , 113 View FIGURES 108 – 115 )

Frutillaria kuscheli Richards, 1961: 66 View in CoL

Description. Length 1.7–2.7 mm (head + thorax 0.8–1.2 mm)

Occiput dark brown, face orange, frons and gena intermediately coloured. Frons with shiny spots lateral to ocellar triangle. Scape and first flagellomere orange, pedicel dark brown. Clypeus orange, prementum brown.

Thorax black, postalar callus reddish, wing rudiment brown. Mesoscutum and scutellum covered with microtomentum. Anepisternum mostly shiny, anterior, posterior, and margins with microtomentum. Katepisternum with shiny patch behind fore coxa barely extending toward bristle. Meron and metapleuron shiny with the exception of a stripe of microtomentum between posterior thoracic spiracle and base of hind coxa. Laterotergite mostly shiny.

Legs black, fore coxa black, trochanters, joints, and tarsi orange. Fore femur mostly shiny posteriorly. Mid femur with 2–3 anterior bristles.

Male abdomen ( Figs. 35–37 View FIGURES 35 – 39 ): Ring-shaped sclerite present. Surstylus with long, thin inner arm, in posterior view arms parallel, extending ventrally. Postgonite with lobes clearly separated, anterior lobe with an anterior concavity but not appearing double-pointed, posterior lobe thin and pointed. Epiphallus and preepiphallus well developed. Distiphallus with lateral arms thin, curved medially near apex. Ventral disc large, ventral sacs long, sclerotized. Central projecting sclerite small, with ridges distally.

Female abdomen ( Figs. 81, 82, 85 View FIGURES 77 – 85 ): Tergites 1–5 covered with microtomentum, with thin shiny bands along posterior margins, tergite 6 mostly covered with microtomentum, shiny basally. Tergite 7 mostly shiny, with a small amount of microtomentum along lateral edges, posterior margin indented medially. Tergite 8 divided medially, shiny with a little microtomentum along posterior margin. Epiproct triangular, anterior arms fairly long. No microtrichia dorsally on cerci. Sternite 2 shiny, sternites 3 – 4 mostly shiny with some microtomentum medially, sternite 5 extensively covered with microtomentum, sternite 6 mostly covered with microtomentum, shiny basally. Sternite 7 with extensive microtomentum on posterior half, posterior margin distinctly convex. Sclerites of sternite 8 long, subrectangular. Hypoproct with sclerotized lateral spots, weakly sclerotized medial bar. Spermathecae with long, mushroom-shaped apical invagination, short basal invagination, both annulated.

Type material. Holotype 3: CHILE: [Los Lagos:] Chiloé I., lat 42° S, Chepu, 3 Oct 1958, [G. Kuschel] ( MEUC, apparently lost). Paratypes: same data as holotype but 9 Oct 1958 (4 3, BMNH, 2 examined).

Other material examined. CHILE: Los Lagos: Chiloé Is., Quemchi (11 km W, 11 km E of Hwy 5), 42°10'24"S 73°35'48"W, 170 m, secondary Valdivian rainforest, FMHD #97-23, berlese, leaf & log litter, 16 Jan 1997, A.F. Newton & M.K. Thayer (2 3, 3 Ƥ, FMNH); Chiloé Is., Quemchi (11 km W, 11 km E of Hwy 5), 42°10'24"S 73°35'44"W, 140 m, Valdivian rainforest remnant w/thick bamboo understory, FMHD #2002-068, berlese, leaf & log litter, 10 Dec 2002, A.F. Newton & A. Y. Solodovnikov (1 3, 3 Ψ, FMNH); Chiloé Is., Miraflores, road to, 0.6 km W Hwy 5, 42 °46'42"S 73°47'42"W, 130 m, secondary Valdivian rainforest, FMHD #97-25, berlese, leaf & log litter, 17 Jan 1997, A.F. Newton & M.K. Thayer (2 3, FMNH).

Comments. The description is based primarily on the recent material, as the paratypes we examined were in poor condition. This species appears to be restricted to Chiloé Island, and is less commonly collected than F. chepuensis , as observed by Richards (1961).