Peckia (Peckia) pexata
Creators: name: Buenaventura, Eliana
name: Pape, Thomas
Publisher: name: Zenodo
Year: 2013
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sarcophagidae
Peckia
Peckia pexata

description: Peckia (Peckia) pexata (Wulp)   
(Fig. 76) (fig. 101 in Aldrich 1916, fig. 9 in Engel 1931, figs. 26, 49, 70, 84 in Lopes 1958, figs. 1C–1D, 2B–2C in Pape & Andersson 2001, figs. 1–2 in Lehrer 2006a)  
 Sarcophaga pexata Wulp, 1895: 269. Mexico, Yucatán. Lectotype male, in BMNH (designated by Pape & Andersson 2001: 237). Sarcophaga concinnata Williston, 1896: 364. St. Vincent. Lectotype male, by present designation, in BMNH. N. syn. Sarcophaga otiosa Williston, 1896: 364. St. Vincent. Lectotype male, by present designation, in BMNH. N. syn. Paraphrissopoda catiae Lehrer, 2006a: 4. Brazil, Bahia, Encrazilhada. Holotype male, in MNRJ (examined). N. syn. concinata: Lopes (1969: 36), incorrect subsequent spelling of concinnata Williston, 1896.   
 Description. Male. Head. Ocellar setae equal to or shorter than postoculars. Outer vertical seta of same size as postoculars. Black orbital setae. Four frontal setae situated below the dorsal limit of the lunule. Genal setae black dorsally, yellow or white ventrally. First row of occipital setae black, others yellow. Thorax. Chaetotaxy: acrostichals = 0 + 1, dorsocentrals = 0 + 3 (anterior one shorter), intra-alars = 2 + 2 (anterior one shorter), supraalars = 2 + 3, basal scutellars = 3. Prosternum and posterior surface of hind coxa with black setae. White or yellow and black antero-ventral scutellar setae. Two katepisternal setae. Postalar wall with only black setae. Lower calypter with a central dark spot and a fringe of long hair-like setae along outer margin, extending to its posterior margin. Mid femur without a ctenidium. Antero-dorsal surface of mid tibia with 1 median seta and 1 apical seta. Hind tibia with 2 setae in the basal third, 1 in the middle third and 1 preapical on antero-dorsal surface. Abdomen. Postero-ventral seams between T3/T4 and T4/T5 parallel. Microtrichosity of the abdomen laterally grey and golden. ST1+3 with only black hair-like setae. One lateral seta on each side of T4. T5 with golden microtrichosity. Posterior seam of T5 not projected posteriorly and ventrally, and normal setae in postero-ventral area directed posteriorly. Abdomen covered with normally spaced setae. Terminalia. ST5 orange. Medial margin of ST5 ∩- shaped. Inner margins of ST5 arms straight. Inner margins of ST5 arms with a patch of short setae on the anterior region and long hair-like setae posteriorly. Syntergosternite 7+8 longer than high in lateral view, orange, with golden microtrichosity. Epandrium bright orange. Cercus orange proximally and brown or dark brown distally, with golden microtrichosity dorsally. Cercus in lateral view progressively narrowing towards the apex, with the dorsal margin curved with a rounded projection at about midlength, with a rounded apex. Cercus with weak ventral setae at the base, never reaching the apex. Surstylus orange, triangular, with a rounded apex, with postero-distal surface less sclerotized (more smooth; lighter and more transparent colour) than the remaining surface. Pregonite triangular and not slender in lateral view, becoming narrower towards the apex, curved in lateral view, with a strong angle on the inner border of the apex, with a rounded apex. Postgonite elongated, with a hooked apex. Basi- and distiphallus connected by a desclerotized strip. Juxta without demarcated connection with the phallic tube, as sclerotized as the phallic tube. Juxta with lateral plate, long and straight, with outer margin undulated, and an acute apex in apical view. Distiphallus with a pair of lateral styli separated, each with a longitudinal cleft, visible in lateral and apical views. Vesica composed of two plate-like structures connected proximally and each with a short rounded proximal projection and an acute distal larger projection.   
 Taxonomic remarks. The shape of pregonite is similar to Peckia (Peckia) cocopex, but the pregonite is not slender in lateral view, and P. (Peckia) pexata has a conspicuous angle dorsally on the middle line of the pregonite, the apex of which has an angle on the inner border. Also, P. (Peckia) pexata can be recognized because the abdomen is covered with setae normally set apart from each other, the cercus is almost always curved ventrally in lateral view and has ventral weak setae only at the base, never reaching the apex.   
 We examined 3 male syntypes of Sarcophaga concinnata Williston, 1896 and 3 male syntypes of Sarcophaga otiosa Williston, 1896, all deposited in BMNH. All are double-mounted, in good condition, with identical labels. The specimens are here considered to be conspecific, but we prefer to select and designate lectotypes as exemplar name-bearing types to better serve nomenclatural stability. We have for each of the two syntypic series chosen the male carrying the name-label as lectotype, by present designation. The specimen selected as lectotype of Sarcophaga concinnata Williston, 1896 is in good condition, with terminalia extended, and it carries five labels: “Syn-type”, “ St. Vincent, W. I., H. H. Smith”, “W. Indies, 1907-66”, and “ Sarcophaga, concinnata, Will. ” (the last handwritten, the others printed). We have equipped the specimen with an additional, red, printed label with “ LECTOTYPE ♂ Sarcophaga concinnata Williston, 1896 Buenaventura & Pape det.”. The specimen selected as lectotype of Sarcophaga otiosa Williston, 1896 is in good condition, with terminalia extended, and it carries five labels: “Syn-type”, “ St. Vincent, W. I., H. H. Smith”, “W. Indies, 1907-66”, and “ Sarcophaga, otiosa, Will. ” (the last handwritten, the others printed). We have equipped the specimen with an additional, red, printed label with “ LECTOTYPE ♂ Sarcophaga otiosa Williston, 1896 Buenaventura & Pape det.”.   
 We also examined 1 male and 1 female syntypes of Sarcophaga otiosa Williston, 1896 deposited in AMNH. Both are double-mounted, in good condition, with identical labels. The specimens are here considered to be conspecific. The specimens each carry four labels: “COTYPE No. A.M.N.H.”, “ Am. Mus. Nat. His. Dept. Invert. Zool. No. 20430”, “Windward side, St. Vincent W. I., H. H. Smith”, and “ Sarcophaga, otiosa, Will. ” (the fourth label handwritten, others printed).   
 Distribution. NEARCTIC— Mexico (Morelos), USA (Texas). NEOTROPICAL— Barbados, Bolivia, Brazil (Amapá, Amazonas, Bahia, Ceará, Federal District, Espírito Santo, Piauí, Río de Janeiro, Rondônia, Roraima), Colombia (Antioquia, Sucre), Costa Rica, Ecuador, El Salvador, Guatemala, Mexico (Guerrero, Jalisco, Sinaloa, Tamaulipas, Veracruz, Yucatán), Nicaragua, St. Lucia, St. Vincent and the Grenadines, Trinidad & Tobago (Trinidad), Venezuela.   
 Material examined. Brazil: 1 male, Bahía Aratú. PCAA. Call, 14.vii.1956 (MNRJ); 1 male (Paraphrissopoda catiae Lehrer, 2006, holotype), Bahía Encruzilhada, xi.1974, Alvarenga & Roppa (MNRJ); 2 males, Encruzilhada divisa, Bahia Brazil, 960m, xi.1972, Seabra & O. Roppa (ZMUC); 2 males, Espirito Santo Conseicao da Barra, iv.1972, P.C. Elias (MNRJ); 1 male, Rondonia Vilhena, x.1986, O.Roppa, P. Magno & E. Becker (ZMUC). Colombia: 1 male, Antioquia, Caucasia, Hda. [Hacienda] La Candelaria casa, Carne [flesh], 80m, 02.ix.2004, GEUA (CEUA); 1 male, same data but Pastizal, Jama [sweep net], 03.ix.2004, GEUA (CEUA); 1 male, Antioquia, La Pintada, Hda. [Hacienda] Montenegro Comfenalco Potrero,VSR 1800, decomposing fish, 5°43'25''N 75°37'25''W, 770m, 21.vi.2007, AL. Montoya (CEUA); 1 male, Antioquia, Pto. Berrio, Hda. [Hacienda] Manaos, Bosque borde, Botella modificada, viii.2007, I. González (CEUA); 1 male, Sucre, San Onofre,Rsva Sanguaré, Bosque, Jama [sweep net], 0m, 20.iii.2004, GEUA (CEUA). Costa Rica: 1 male, Guanacaste, Palo Verde, Río Tempisque stream, 14.iv.1999, M. Andersson (ZMUC); 1 male, same data but 31.iii.1999 (ZMUC); 1 male, same data but near Bird Island, 22.iv.1999 (ZMUC); 1 male, same data but near Bird Island, 20.iv.1999 (ZMUC); 1 male, Guanacaste, Palo Verde, station, 27.iv.1999, M. Andersson (ZMUC); 1 male, Guanacaste, Santa Rosa National Park, 29–30.iv.1980, D.H. Janzen & W. Hallwachs (ZMUC); 5 males, same data but 23–26.vii.1995, T. Pape (ZMUC). Ecuador: 1 male, Puerto grande Isla Puna, F. Campos, R. Santiago & A. Navarro (MNRJ). Guatemala: 2 males, Quirigua, 07–09.i.1937, J. G. Dickson (ZMUC). Mexico: 1 male, Guerrero, Carrizal, vii. 1951, L. Navarro (MNRJ). Saint Vincent and the Grenadines: 1 male (labelled as syntype [lectotype] of Sarcophaga concinnata Williston, 1896), St. Vincent, W. I. [West Indies], W. Indies [West Indies], 1907–66, H. H. Smith (BMNH); 1 male (labelled as syntype [lectotype] of Sarcophaga otiosa Williston, 1896), St. Vincent, W. I. [West Indies], W. Indies [West Indies], 1907–66, H. H. Smith (BMNH); 4 males (labelled as syntypes of Sarcophaga concinnata Williston, 1896 and Sarcophaga otiosa Williston, 1896), St. Vincent, W. I. [West Indies], W. Indies [West Indies], 1907–66, H. H. Smith (BMNH); 1 male and 1 female (labelled as syntypes of Sarcophaga otiosa Williston, 1896), St. Vincent, W. I. [West Indies], Windward side, H. H. Smith (AMNH); 1 male, Union I. [Union Is.], Grenadines, W. I. [West Indies], October, 99. 331, H. H. Smith (BMNH).
description: Published as part of Buenaventura, Eliana & Pape, Thomas, 2013,  Revision of the New World genus  Peckia  Robineau-Desvoidy (Diptera: Sarcophagidae) , pp. 1-87 in Zootaxa 3622 (1) on pages 61-63, DOI: 10.11646/zootaxa.3622.1.1, http://zenodo.org/record/5260708