Phlebotomine sand flies (Diptera: Psychodidae) of Chiapas collected near the Guatemala border, with additions to the fauna of Mexico and a new subgenus name Author Ibáñez-Bernal, Sergio Author Muñoz, José Author Rebollar-Téllez, Eduardo A. Author Pech-May, Agelica Author Marina, Carlos F. text Zootaxa 2015 3994 2 151 186 journal article 10.11646/zootaxa.3994.2.1 008a674e-04dd-444c-919c-a32be0ba5460 1175-5326 239180 32027FAA-4AB3-4394-841D-33571F25529E Psathyromyia (Psathyromyia) shannoni (Dyar, 1929) (series shannoni ) Phlebotomus shannoni Dyar, 1929: 121 (♂). Type locality: Panama , Canal Zone. Additional references: Fairchild & Hertig, 1950: 524 (♂, ♀). Phlebotomus limai Fonseca, 1935: 61 (♀). Type locality: Brazil , São Paulo. Phlebotomus bigeniculatus Floch & Abonnenc 1941 b, 3 (♂, ♀). Type locality: French Guyenne, Cayenne. Phlebotomus microcephalus Barretto & Duret, 1953: 34 (♂). Type locality: Argentina , Chaco, Presidencia Roca. Phlebotomus pifanoi Ortiz, 1972: 21 (♂) Type locality: Venezuela : Amazonas, Sierra Parima. Lutzomyia (Psathyromyia) shannoni (Dyar) : Young & Duncan, 1994: 349 (complete references to that date, taxonomy, distribution); Ibáñez-Bernal, 2002: 152 (diagnosis, distribution); Rebollar-Téllez et al., 2004: 285 (Campeche records); Rebollar-Téllez et al., 2006: 24 (Yucatán records), May-Uc et al., 2011: 279 (Quintana Roo records). Psathyromyia (Psathyromyia) shannoni (Dyar) : Galati, 2003: 43, 115, 116 (list, keys); Ibáñez-Bernal et al., 2011: 35 (Veracruz records). Diagnosis. Ascoids each with a long proximal branch reaching or exceeding the proximal margin of the flagellomere. Male: Gonocoxite without tuft of setae; gonostylus with 4 spiniform setae, two in middle and at the same level, one in the apical third and one apical; paramere simple, with apex straight and rounded, with simple straight setae in the apical half, only on the ventral margin (that directed to the gonopods); ejaculatory filaments with simple apex. Female: cibarium with four horizontal teeth evenly spaced, vertical teeth numerous, all small arranged in irregular compact rows; spermatheca cylindrical, smooth, with a small capitulum; individual spermathecal ducts shortest than spermatheca and about 0.5 the length of common spermathecal duct (Ibáñez- Bernal 2002, Young & Duncan 1994; Galati 2003). Material examined. MEXICO : CHIAPAS: Guadalupe Miramar, 14-i-2010 , 1 ♀; 20-ii-2010 , 6 ♀; 12-v-2010 , 1 ♂ ; 20-vi-2010 , 2 ♀. Loma Bonita, 18-ii-2010 , 1 ♀; 19-ii-2010 , 2 ♂ ; 21-ii-2010 , 1 ♀; 20-iii-2010 , 1 ♀; 23-iv-2010 , 1 ♀; 22-i-2011 , 1 ♀; 19-iii-2011 , 2 ♀. San Antonio Buena Vista: 19-v-2010 , 1 ♀. Collected with CDC light traps. Additional material collected with Magoon traps. MEXICO : CHIAPAS: Loma Bonita, 19-ii-2010 , 1 ♀; 15-iii- 2011 , 2 ♀. Distribution. USA , MEXICO (Campeche, Chiapas, Guerrero, Nayarit, Oaxaca, Puebla, Quintana Roo, Veracruz, Yucatán) (Ibáñez-Bernal 2002, Ibáñez-Bernal et al. 2011), BELIZE , HONDURAS , NICARAGUA , COSTA RICA , PANAMA , COLOMBIA , VENEZUELA , TRINIDAD , SURINAME , FRENCH GUYANA , ECUADOR , PERU , BRAZIL , BOLIVIA , PARAGUAY , ARGENTINA (Young & Duncan 1994, Galati 2003). Remarks. The male of Psathyromyia shannoni is morphologically similar to other species; however, the ascoids having a long proximal branch helps to separate it; additionally differences in the parameres can be used to distinguish it from Pa. undulata (Fairchild & Hertig) ; the female of this species could be confused with Pa. dasymera (Fairchild & Hertig) or Pa. punctigeniculata (Floch & Abbonenc) as they have similar spermathecae, and for that reason it is necessary to measure the relative length of the spermathecal ducts. Psathyromyia shannoni has a wide distribution in the Americas. There are few records in Mexico , but localities in which this species has been collected are disjunct so it is possible to infer that the species has a wide range of distribution in this country. Recent evidence shows that populations of this species from the USA and southern Mexico , exhibited a great separation among the genetic haplotypes (Florin & Rebollar-Téllez 2013). The female is antropophilous and has been collected at sites where human leishmaniasis cases have been recorded. Pech-May et al. (2010) and Sánchez- García et al. (2010) found this species naturally infected with Leishmania mexicana in the Mexican states of Campeche and Quitana Roo, respectively.