Peradon chrysopygus (Giglio-Tos)

Reemer, Menno, Skevington, Jeffrey H. & Kelso, Scott, 2019, Revision of the Neotropical hoverfly genus Peradon Reemer (Diptera, Syrphidae, Microdontinae), ZooKeys 896, pp. 1-93 : 1

publication ID	https://dx.doi.org/10.3897/zookeys.896.36493
publication LSID	lsid:zoobank.org:pub:3E0BC795-B569-442A-AE6F-DFD4A9FB9534
persistent identifier	https://treatment.plazi.org/id/95E999F1-BAC0-5D14-91F8-4669F56C4997
treatment provided by	ZooKeys by Pensoft
scientific name	Peradon chrysopygus (Giglio-Tos)
status

Treatment

Peradon chrysopygus (Giglio-Tos) Figs 84 View Figures 74–85 , 85 View Figures 74–85 , 141 View Figures 136–142 , 142 View Figures 136–142 , 177-179 View Figures 177–179 , 281 View Figures 280–283

Ubristes chrysopygus Giglio-Tos, 1892: 1. Holotype ♀: Mexico (MRSN). [photographs studied]

Microdon chrysopygus (Giglio-Tos): Thompson et al. 1976: 61.

Peradon chrysopygus (Giglio-Tos): Reemer and Ståhls 2013a; Reemer 2013: 85.

Studied type specimens.

Mexico • 1 ♀, holotype of Ubristes chrysopyga Giglio-Tos; Orizaba; MRSN. Label 1: “836.”; label 2 (green): “Orizaba”; label 3: " Ubristes chrysopyga / Giglio-Tos". Only photographs of the holotype were studied.

Additional specimens.

Belize • 1 ♀; Mtn. Pine Ridge; 14-15 Jan. 1991; MZH.

Costa Rica • 1 ♀; Guanacaste, 3 m SE R. Naranjo; 20-29 Nov. 1991; F.D. Parker leg.; LACM • 1 ♂ 3 ♀; same as previous except date Apr. 1992 • 2 ♀; same as previous except date 1-15 Apr. 1992 • 1 ♀; same as previous except date 16-20 Apr. 1992 • 1 ♂ 2 ♀; same as previous except date 20-30 Apr. 1992 • 2 ♂ 4 ♀; same as previous except date May 1992 • 1 ♀; same as previous except date 11 May 1992 • 1 ♀; same as previous except date 16-31 May 1992 • 1 ♀; same as previous except date 24-31 May 1992 • 1 ♀; same as previous except date 1-5 Jun. 1992 • 1 ♂ 1 ♀; same as previous except date 1-15 Jun. 1992 • 1 ♂; same as previous except date 21-30 Sep. 1992 • 1 ♀; same as previous except date 1-9 Oct. 1992 • 1 ♀; same as previous except date 1-10 Oct. 1992 • 1 ♀; same as previous except date 15-30 Apr. 1993 • 1 ♂ 1 ♀; same as previous except date May 1993 • 2 ♀; same as previous except date 12-14 May 1993 • 1 ♀; same as previous except date 17 May 1993 • 1 ♂ 1 ♀; same as previous except date 1-15 Jun. 1993 • 1 ♀; same as previous except date 10-14 Jun. 1993 • 1 ♂; same as previous except date 18-23 Jun. 1993 • 1 ♂; same as previous except date 22 Jun. 1993 • 1 ♀; same as previous except date 13-31 Jul. 1993 • 1 ♀; same as previous except date 29-31 Jul. 1993 • 3 ♀; same as previous except date 14-20 Aug. 1993 • 2 ♀; same as previous except date 1-14 Sep. 1993 • 1 ♀; same as previous except date 7 Sep. 1993 • 1 ♂; Alajuela, 20 km S Upala; 1-10 May 1990; F.D. Parker leg.; LACM • 1 ♀; same as previous except date 11-15 May 1990 • 1 ♀; same as previous except data 17 Sep. 1990 • 1 ♀; same as previous except date 11-21 Sep. 1991 • 1 ♀; same as previous except date 1-10 Oct. 1992 • 1 ♂; Puntarenas, Cordillera de Tilarán, Monteverde; 17 Aug. 2010; M. Hauser leg.; RMNH (genitalia in fig. 281 drawn after this specimen).

El Salvador • 1 ♂ 1 ♀; Los Chorros National Park; 13 Jul. 1961; M.E. Irwin leg.; CNC.

Mexico • 1 ♀; Oaxaca, El Camaron; 9.VI.1987; T. Taylor leg.; LACM • 1 ♀; Veracruz 24, 1 mi E Jaltipan; 2 Sep. 1972; leg. Byers & Thornhill; SEMC • 1 ♂; Chiapas, Montebello Nat. Pk.; 1 Jun.1969; J.W. Boyes leg.; CNC.

Diagnosis.

Body length male 8-10 mm, female 10-12 mm. Peradon chrysopygus belongs to the flavofascium species group. Within this group, it is the only species in which the male has no yellow wing markings, the wing being entirely dusky grey. In the female there is a large yellow part in the wing basally, whereas cells r2+3 and r4+5 are entirely dark. The postponotum is pilose.

Distribution.

Known from Belize, Costa Rica, El Salvador, and Mexico. This is the only known species of the flavofascium -group in Central America.