Calliphora irazuana Townsend, 1908,

Rognes, Terry Whitworth With An Appendix By Knut & Whitworth, Terry, 2012, Identification of Neotropical blow flies of the genus Calliphora Robineau- Desvoidy (Diptera: Calliphoridae) with the description of a new species, Zootaxa 3209, pp. 1-27: 6-10

publication ID

http://doi.org/ 10.5281/zenodo.213088

persistent identifier

http://treatment.plazi.org/id/184E433C-A50E-FFCA-FF2E-86F6CE06FC70

treatment provided by

Plazi

scientific name

Calliphora irazuana Townsend, 1908
status

 

Calliphora irazuana Townsend, 1908 

Figs. 1View FIGURE 1, 4View FIGURES 3 – 7, 8, 9View FIGURES 8 – 11, 16, 17View FIGURES 16 – 23, 24–26View FIGURES 24 – 35, 36View FIGURES 36 – 39, 40View FIGURES 40 – 41, 44View FIGURES 42 – 47, 51View FIGURES 48 – 51. 48

Calliphora irazuana Townsend, 1908: 118  ; Vargas and Wood, 2010: 1303. Calliphora vomitoria: Shannon, 1923: 115  (misidentification).

Calliphora nigribasis: Shannon, 1926: 134  (misidentification).

Calliphora terraenovae: Hall, 1948: 303  (misidentification).

Type information. Townsend (1908) described Calliphora irazuana  from a single female specimen ( USNM, Type No. 10886). The holotype was collected by Schild and Burgdorf from Irazu, Costa Rica; no date of collection was given. The holotype was examined and specimen labels are shown in Fig. 51View FIGURES 48 – 51. 48.

The holoype is typical of the female of this species described below. It is generally in good condition, though it is missing a tarsus on right side of midleg, venter of midthorax near pin has heavy white glue, and there are breaks in cuticle of dorsolateral area at base of abdomen on right side and at rear tip of scutellum. Only two postsutural intra-alar setae present, the type lacks the tiny extra postsutural intra-alar seta found in some specimens.

Diagnosis. Known only from higher elevations (900m or more) in Central America and Mexico. To distinguish C. irazuana  from C. triseta  (geographical ranges overlap): C. irazuana  normally has only two postsutural intra-alar setae (some specimens have a tiny third seta barely larger than surrounding small setae) while triseta  normally has a distinct third intra-alar seta. Additional character states of irazuana  include genal groove usually orange versus brown or black; setae on back of head pale yellow versus whitish; lower calypter rim and setal fringe usually reddish brown versus pale whitish; anterior third to half of gena often with faint reddish coloration versus all dark; surstylus in lateral view short and slender versus broad and longer; male frons narrow, 0.034 (0.03–0.04/ 5) of head width, similar to C. triseta  .

Description. Frontal vitta and lower parafacial reddish brown; anterior half of gena often more reddish brown in contrast to the rear half and postgena which is brown to dark brown; genal groove reddish brown to brown; upper parafacial and fronto-orbital plate faintly golden color when viewed from above, black to dark brown from below; occiput with 2–3 rows of stout black setae below the postocular row; center of occiput with silky yellow setae. Supravibrissal setae on facial ridge ascending about 70 % up facial ridge toward antennal base (as in Fig. 6View FIGURES 3 – 7). Anterior thoracic spiracle brown to orange brown, lighter around opening, posterior spiracle dark brown; normally with only two postsutural intra-alar setae, sometimes a third weak seta. Central area of upper calypter brown, outer margin pale, rim of calypter and fringe dark brown to black; lower calypter, including rim, usually dark brown with long reddish brown fringe. Males smaller, averaging 9–10mm in length, females larger, averaging 10–13mm.

Male. Frons narrow, at narrowest, 0.034 (0.03–0.04/ 5) of head width; 0.45 (0.39–0.50/ 5) of first flagellomere; parafacial wide, at narrowest, 2.4x frons width (1.8–2.8/ 5); about equal to first flagellomere 1.1 (0.92–1.2/ 5); gena to eye ratio 0.44 (0.42–0.46/ 5). Fronto-orbital plates meet in middle; frontal setae ascend about 2 / 3 up frons toward median ocellus. A contrasting changeable spot visible at top of parafacial. Surstyli and cerci in lateral view long and slender, similar to those in C. lopesi  which is known only from southern South America; surstylus ending in sharp point versus rounded point in C. lopesi  . In posterior view, cercus and surstylus equal in length ( Fig. 9View FIGURES 8 – 11) versus cercus longer than surstylus in C. lopesi  ( Fig. 11View FIGURES 8 – 11). Phallus, hypandrium, pre- and postgonites, ejaculatory sclerites, and sternites as in Figs. 16, 17View FIGURES 16 – 23, 24–26View FIGURES 24 – 35, 36View FIGURES 36 – 39, respectively.

Female. Frons 0.35 (0.34–0.35/ 5) of head width at narrowest; 3.9 (3.4–4.4/ 5) of first flagellomere; parafacial, at narrowest, 0.36 (0.31–0.39/ 5) of frons; 1.4 (1.2–1.4/ 5) of first flagellomere; gena to eye ratio 0.58 (0.57–0.60/ 5). Frontal setae long and densely set, ascending to level of rear ocelli; one lateroclinate and two proclinate frontoorbital setae present. Two changeable spots visible, one midway on fronto-orbital plate and one on upper parafacial. T 5 with short incision, which can be difficult to see when tip of abdomen is curled under. Ovipositor and spermathecae as in Figs. 40View FIGURES 40 – 41, 44View FIGURES 42 – 47, posterior margin of ST 8 bifurcated in this species and C. lopesi  .

Specimens examined. 34 males, 122 females. Costa Rica (19 males, 112 females): Alajuela Province: 6 females, Rio Poasito, May 10, 1995, Baumann and Houseman ( BYU). Cartago Province: 2 females, Cartago, 9 ° 40 'N 83 ° 50 'W, May 18–20, 1973, 2610m, J. Helava ( CNC); 1 female, Villa Mills, May 2, 1980, T. Laverty, ( CNC); 1 male, 5 females, Hgw. 2 km, 93, 9 ° 36 'N 83 ° 45 'W, April 7, 1985, H. Goulet, L. Masner ( CNC); 1 male, 1 female, P.N. Tapanti-Macizo de la Muerte, el Tajo, 2840m, L_S_ 329700 _ 593100, Feb. 11, 2002, M. Alfaro (INBIO); 1 male, Rio Macho, Camino a Torre 46, 2760m, L_S_ 396700 _ 482550, 12 April, 1997, B. Gamboa (INBIO); 1 female, 4 km E Tres Rios, EAO, Nov. 11, 1988, F.D. Parker, J.B. Welch, F.R. Ramirez ( USNM). Heredia Province: 1 female, Volcan Poas, Feb. 21, 1980, T. Laverty ( CNC); 4 males, 38 females, Barva Volcano, 10 ° 70 ' 10 ''N 84 ° 87 ' 50 ''W Jan. 15, 2011, T.L. Whitworth ( TW); 5 females, Barva, Braulio Carrillo P.N., 2500m, L_S_ 233400 _ 523200, Dec., 1989, A. Fernandez (INBIO); 4 females, Vol. Poas, July 12, 1962, M.T. James (WSUP); 1 female, Barva Volcano, 2600m, L_S_ 235200 _ 524600, Jan. 15, 1997, M.A. Zumbado, F.C. Thompson (INBIO); 1 female, P.N. Braulio Carrillo, transecto altitudinal Barva, La Selva, 2000m, L_S_ 240000 _ 523800, Feb. 13, 2002, M.A. Zumbado (INBIO). Limon Province: 1 male, P. Int. La Amistad, Cerro Hoffman, 2460m, L_S_ 340258 _ 577465, March 21, 2003, D. Rubi (INBIO); 1 male, same data, different collector, M. Alfaro; 1 male, P. Int. La Amistad, P.N. Chirripo, Llano Bonito km 7, 900m, L_S_ 378500 _ 593100, March 31, 2007, M. Sobs (INBIO); 1 female, P. Int. La Amistad, 2450m, L_S_ 340258 _ 577465, M. Alfaro, R. Delgado (INBIO); 1 female, Cerros Tararia, 2659m, L_S_ 344600 _ 576700, April 23, 1997, R. Villalobos (INBIO). Puntarenas Province: 1 male, P. Int. La Amistad, Buenos Aires, Estacion Altamira, Cerro Quemado, 2279m, L_S_ 336200 _ 575560, Jan. 9, 2002, M. Alfaro (INBIO); 2 males, same as above except Cerro Cabecar, 2900m, L_S_ 366400 _ 530800, 23 March, 2007, M. Sobs (INBIO); 1 male, Estacion. La Casona, Monteverde, 1520m, L_S_ 253250 _ 449700, 1520m, April, 1992, K. Flores (INBIO); 1 male, Sendero a Cerro Echandi, 2600m, L_S_ 329700 _ 593100, April 13, 1998, B. Gamboa (INBIO). San Jose Province: 1 male, Corralar Arriba, Sta. Ana, 1700m, L_S_ 207000 _ 516000, April 9, 1994, M.A. Zumbado, F.G. Zumbado, H. Vargas (INBIO); 1 male, 5 km E. de Villa Mills, 2700m, L_S_S 390100 _ 500100, 2700m, April 1, 1996, B. Gamboa (INBIO); 1 male, Escazu, Oct. 22, 1989, F.D. Parker ( USU); 2 females, Cerro de la Muerte Hwy, Aug. 14, 1966, 9500ft, D.F. Veirs ( USU); 1 female, Cerro de la Muerte, Rio Savegre at San Gerardo de Dota, 9 ° 33 'N 83 ° 4-8 'W, 2200m, Aug. 8-10, 1995, C.R. Nelson # 6248, Malaise trap ( BYU); 1 female, 1 mi NW Villa Mills (La Georgina) 9 ° 34 'N 83 ° 41 W, March 23, 1967 ( USU); 1 female, Cerro de la Muerte, cloud forest above Rio Savegre at San Gerardo de Dota, 9 ° 33 'N 83 ° 48 'W, 2600m, Aug. 9, 1995, C.R. Nelson ( BYU); 2 females, Cerro de la Muerte, Aug. 25, 1970, R.W. Merritt ( USU); 2 females, Cerro de la Muerte, 6 km W Villa Mills, Inter-Am Hwy, 3340m, E.R. Heithaus, Oct. 29, 1971 ( WSU); 1 male, 35 females, Tres de Junio, 2675m, 9 ° 39 ' 8 ''N 83 ° 51 ' 3 W, Jan. 16, 2011, T.L. Whitworth. El Salvador: (2 males, 2 females) 2 males, 1 female, Santa Ana, Youcan, Sept. 26, 1956, P.A. Berry ( USNM); 1 female, same as above except March 5, 1957. Guatemala (3 males): 1 male, Huehuetenango, 15 km nw Todos Santos Cuch., Aug. 31, 1987, 2500m, M. Wood; 2 males, same data except 10 km nw Todos Santos ( CNC). Mexico: (10 males, 8 females) 1 male, La Venta, Aug. 9, 1969, D. Kritsch ( CNC); 4 males, 3 females, 10 mi W. El Salto, Dgo, 9000ft, June 2, 1964, J.F. McAlpine ( CNC); 1 male, Chis., 5 mi W San Cristobal, March 3, 1969, 7500ft, H.J. Teskey ( CNC); 1 female, W slope Popocatepetl, 9600ft, July 15, 1951, P.D. Hurd ( WSU); 1 female, State of Chiapas, 16 mi W San Cristobal de la Casas, July 16, 1967, P.D. Hurd ( TW); 1 female, State of Mexico, Mt.Tlaloc, Chapingo, Aug. 13, 1974, Mac Tidwell ( FSCA); 1 male, State of Chiapas, 42 mi W Cintalpa, March 4, 1985, L. Stange, R. Miller ( FSCA) 1 male, 1 female, State of Mexico, 36 mi SE Mexico City, Puebla Turnpike, 9000ft, April, 26, 1965, H.V. Weems ( FSCA); 2 males, 1 female, State of Guerrero, Omilteme, 8000ft, July, year unknown, H.H. Smith ( BMNH).

Distribution. Costa Rica, El Salvador, Guatemala, Mexico, higher elevations, 900–3000m ( Fig. 1View FIGURE 1). This species is common in the mountains around San Jose, Costa Rica and likely occurs in mountainous regions throughout Central America. In Costa Rica it was found in the Cordillera de Talamanca which extends into Panama, the Coastal Ridge, Cordillera Central and Cordillera de Tilaran. It was not found in the Guanacaste area in the northwest, but this may reflect lack of collection effort, or lack of suitable habitat.

Discussion. It was difficult to find characters common to both sexes that consistently separate C. irazuana  from C. nigribasis  . The male genitalia of C. irazuana  and C. nigribasis  are very different and will reliably separate males, while some females can be more difficult to distinguish. Another difference in the male is the frons is narrow in C. irazuana  (0.03 of head width) and much wider in C. nigribasis  (0.10 of head width). The genal groove and anterior half of gena are reddish in many C. irazuana  , while this area is usually brown or black in C. nigribasis  ; however, the color can be variable. The occiput has yellowish setae in C. irazuana  , while the setae are whitish in C. nigribasis  . Range alone will separate these two species, except possibly where they could overlap in southern Central America or northern South America. About a third of the specimens of C. irazuana  examined have a weak third postsutural intra-alar seta, a condition similar to that sometimes found in the Nearctic C. latifrons Hough. This  condition could cause confusion with C. triseta  , however other characters are sufficient to distinguish this species where it occurs.

USNM

Smithsonian Institution, National Museum of Natural History

BYU

Monte L. Bean Life Science Museum

CNC

Canadian National Collection of Insects, Arachnids, and Nematodes

USU

Utah State University

WSU

Washington State University

FSCA

Florida State Collection of Arthropods, The Museum of Entomology

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Calliphoridae

Genus

Calliphora

Loc

Calliphora irazuana Townsend, 1908

Rognes, Terry Whitworth With An Appendix By Knut & Whitworth, Terry 2012
2012
Loc

Calliphora irazuana

Vargas 2010: 1303
Shannon 1923: 115
Townsend 1908: 118
1908