Mesembrinella peregrina Aldrich, 1922

Whitworth, Terry L. & Yusseff-Vanegas, Sohath, 2019, A revision of the genera and species of the Neotropical family Mesembrinellidae (Diptera: Oestroidea), Zootaxa 4659 (1), pp. 1-146 : 126-127

publication ID	https://doi.org/ 10.11646/zootaxa.4659.1.1
publication LSID	lsid:zoobank.org:pub:57309E14-0330-4ED7-BCDA-355EE6618215
persistent identifier	https://treatment.plazi.org/id/03DA87E6-0F47-FFAB-FF19-BF8E36BFFB58
treatment provided by	Plazi
scientific name	Mesembrinella peregrina Aldrich, 1922
status

Treatment

( Figs 79–80 View FIGURES 75–80 , 169–170 View FIGURES 163–172 , 227 View FIGURES 222–228 , 270 View FIGURES 266–279 , 314 View FIGURES 312–317 , 358 View FIGURES 350–369 , 399 View FIGURES 370–400 , 443 View FIGURES 439–453 , 477 View FIGURES 474–478 )

Mesembrinella peregrina Aldrich, 1922: 22 . Holotype male (USNM), examined. Type locality: Espirito Santo, Brazil. [NB: the specimen is labeled as “ Mesembolia peregrina ” (see Fig. 477 View FIGURES 474–478 ).]

Mesembrinella peregrina: Peris & Mariluis (1984: 262) ; Toma & Carvalho (1995: 136); Marinho et al. (2012: 142); Kosmann et al. (2013: 78); Wolff (2013: 121); Marinho et al. (2017: tab. 1); Cerretti et al. (2017: tab. 2).

Diagnosis. A medium-sized fly averaging 10.6 mm (10–11/5) in length. Stem vein setose dorsally; wing yellowish along costa; subcostal sclerite bare; facial ridge with short row of dark brown supravibrissal setae at base. Male frons narrow, 0.01 of head width at narrowest; epandrium, cerci and surstyli as in Figs 79–80 View FIGURES 75–80 . Female T6 of WV shape ( Fig. 314 View FIGURES 312–317 ).

Redescription. Male. Head. Frons narrow, 0.016 (0.01–0.02/5) of head width at narrowest. Fronto-orbital, parafacial, gena and postgena golden when viewed from above, orange when viewed from below; frontal vitta orange when viewed from above, with golden streaks when viewed from below; fronto-orbital broader below, narrowing to thin line at about 1/3 of its length, frontal vitta obliterated; gena and lower parafacial with horizontal row of stout dark setae; antenna pale yellow; occiput with heavy whitish tomentum and fine, pale setae; median occipital sclerite shiny dark orange; eye with median facets about 4x size of lateral facets; ocellar triangle small, anterior ocellus slightly larger than posterior ocelli; facial ridge with few short, stout, dark brown supravibrissal setae at base.

Thorax orange-brown with whitish tomentose stripes; pleural area orange with whitish tomentum; chaetotaxy: with ac 2:2, dc 2:3, ia 1, ph 1, ppn 3x 3, kat variable 1:1 or 1:2, meral setae typical, 1 pair converging ap, 1 sa, 1 lat, 1 stout bas, 1 weak pb, 1 disc; subscutellum prominently developed; spiracles yellow, medium-sized; legs entirely orange. Wing with anterior edge along costa and veins faintly yellowed, area around crossvein r-m with dark macula; subcostal sclerite orange with dense pubescence; basicosta and tegula orange; stem vein with row of fine, tan setae above; section IV 0.56 of section III; upper calypter pale with dark rim and tan setae; lower calypter tan disc and pale rim with fringe of long pale setae.

Abdomen. T1+2 with anterior half yellow, posterior half yellow-orange; T3–5 purple-orange with whitish tomentum. T1+2 and T3 each with two pairs of small lateral marginal setae; T4 with posterior row of stout setae, disc of T5 only with sparse, scattered, short to medium-long, fine setae. Terminalia in lateral view with surstylus curved slightly backward, cercus with apical hook ( Fig. 79 View FIGURES 75–80 ); in posterior view cerci with narrow base, broader midway then tapered to blunt tip ( Fig. 80 View FIGURES 75–80 ); phallus in lateral view with medium-long, stout epiphallus with slight backward curve ( Fig. 169 View FIGURES 163–172 ); broad in dorsal view, with circular hypophallic lobes and an apical fork on acrophallus ( Fig. 170 View FIGURES 163–172 ); T6, STS7+8, pre- and postgonite, ejaculatory sclerite and ST6 as in Fig. 227 View FIGURES 222–228 ; ST1–5: ST3–4 narrowed, as in Fig. 270 View FIGURES 266–279 .

Female. Similar to male except frons 0.246 (0.24–0.26/5) of head width at narrowest. T6 of FU shape, nearly flat; T7 with wide and deep indentation on anterior edge; T8 as pair of sclerites ( Fig. 314 View FIGURES 312–317 ); ST6–8 and hypoproct as in Fig. 358 View FIGURES 350–369 ; spermathecae filiform ( Fig. 399 View FIGURES 370–400 ); ST1–5 as in Fig. 443 View FIGURES 439–453 .

Type material examined. HOLOTYPE ♂ ( Brazil, Espririto Santo ; USNM; Fig. 477 View FIGURES 474–478 ), labeled: Espirito Santo / Brazil.; Mesembolia / peregrina / Ald.; Type No. / 25887 / U.S. N.M. [red label]; USNMENT01288288.

Additional material examined. Brazil, Paraná. 1 ♂, Piraguard, Mananciais da Serra , 25°25ʹS 49°03ʹW, 9.iii.2003, Malaise, A.J.C. Agular ( USNM) GoogleMaps . Rio de Janeiro. 1 ♂, Serviço Febre Amarela , ix.1938, M.E.S. Bras ( USNM) ; 1 ♂, Petrópolis E de Rio Le Vallon Alt Mosella, 24.i–23.ii.1959, D’Albuquerquea, R.P. Mello ( CNC) .

Santa Catarina. 2 ♀♀, Nova Teutônia , 27°11ʹS 52°23ʹW, 23.xi.1936, F. Plaumann ( NHMUK) GoogleMaps ; 1 ♀, same data ex- cept 27°11ʹS 52°23ʹW, 19.v.1964, F. Plaumann ( CNC) GoogleMaps . São Paulo. 1 ♂*, 1 ♀ *, 1 ♀, Estação Biológica de Boracéia Salesópolis , 14–19.x.1970, J.H. Guimarães, J.W. Boyes ( CNC) ; 1 ♂, same data except #FN49 ( CNC) ; 1 ♂*, same data except #FN35 ( CNC) ; 1 ♀, same data except #FN32 ( CNC) ; 1 ♀, same data except iii.1992, J.H. Guimarães ( USNM) ; 1 ♂, Casa Grande Boracéia Field Station, Grid 23 kmp 092837, 19–26.ii.1975, T.E. Rogers ( FSCA) .

Distribution. Brazil.

Remarks. No specimens were barcoded.

FU	Fudan University, Department of Biology
USNM	Smithsonian Institution, National Museum of Natural History
CNC	Canadian National Collection of Insects, Arachnids, and Nematodes
NHMUK	Natural History Museum, London
FSCA	Florida State Collection of Arthropods, The Museum of Entomology

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Taxonomy

Kingdom	Animalia
Phylum	Arthropoda
Class	Insecta
Order	Diptera
Family	Calliphoridae
Genus	Mesembrinella