Micropygomyia (Coquillettimyia) nahua sp. nov., a new Phlebotominae sand fly from Mexico (Diptera, Psychodidae) Author Ibáñez-Bernal, Sergio Author García-Torres, Carlos Roberto Author Vásquez-Márquez, Mario text Zootaxa 2017 2017-11-10 4347 1 169 180 journal article 31576 10.11646/zootaxa.4347.1.10 50c8d9a6-bee2-4598-a973-f47c96055f10 1175-5326 1044794 35F6D82C-3E10-4597-B39F-498A6C688971 Key for the identification of the species of Micropygomyia ( Coquilletimyia ) with female characters 1 Spermathecal individual ducts very long, more than 4 times the length of spermathecae (including the basal annulated portion if it is present); spermatheca spherical or wider than long; cibarium with 4–6 posterior teeth diadem-like disposed........ 2 - Spermathecal individual ducts short, not more than 4 times the length of spermathecae (including the basal annulated portion if it is present); spermatheca pear-shaped; cibarium with more than 6 posterior teeth in palisade (except Mi. stewarti that has 4 diadem-like disposed).................................................................................. 6 2 Cibarium with two accessory small teeth intercalated between the medium and external posterior teeth, so there are a total of 6 posterior teeth disposed as diadem; spermatheca wider than long; flagellomere I about 1.2–1.3 the length of labrum, and about 1.7 the length of clypeus; ascoids of flagellomere II reaching or surpassing the apical margin of the article................................................................................... Micropygomyia ( Coquillettimyia ) vexator - Cibarium with only 4 posterior teeth disposed diadem-like; other characteristics variable............................ 3 3 Spermatheca spherical, without transverse striations or excrescences at base; individual spermathecal ducts short, not more than three times the length of the genital fork stem........................ Micropygomyia ( Coquillettimyia ) vindicator - Spermatheca button-like or spherical but with transverse striations or excrescences at base; individual spermathecal ducts long, longer than four times the length of the genital fork stem...................................................... 4 4 Individual spermathecal ducts thick, its width at middle greater than the width of spermatheca; ascoids of flagellomere II not reaching the apex of the article........................................ Micropygomyia ( Coquillettimyia ) oppidana - Individual spermathecal ducts slender, its width at middle smaller than the width of spermatheca; ascoids of flagellomere II reaching or surpassing the apical margin of the article......................................................... 5 5 Ascoids of flagellomere II surpassing the apical margin of the article; flagellomere I about 1.3 the length of labrum............................................................................ Micropygomyia ( Coquillettimyia ) apache - Ascoids of flagellomere II not reaching the apical margin of the article; flagellomere I about 1.6 the length of labrum..................................................................... Micropygomyia ( Coquillettimyia ) nahua sp. nov. 6 Cibarium with 4 posterior teeth diadem-like disposed........................ Micropygomyia ( Coquillettimyia ) stewarti - Cibarium with more than 6 posterior teeth in palisade........................................................ 7 7 Common and individual spermathecal ducts striated, the common duct long, about one-half the length of the individual spermathecal duct................................................... Micropygomyia ( Coquillettimyia ) chiapanensis - Common and individual spermathecal ducts smooth, the common duct short, about 0.2 the length of the individual spermathecal duct......................................................... Micropygomyia ( Coquillettimyia ) californica