Comprehensive Description
provided by Smithsonian Contributions to Zoology
Discocerina (Discocerina) obscurella (Fallen)
Notiphila obscurella Fallén, 1813:251.
Discocerina obscurella.—Haliday, 1839:224 [generic combination],—Foote and Eastin, 1974:401–408 [preimaginal stages].
Psilopa (Clasiopa) obscurella.—Stenhammar, 1844:160 [generic combination].
Clasiopa obscurella.—Schiner, 1864:57 [generic combination].
SPECIMENS EXAMINED.—BELIZE. Belize District: Turneffe Islands: Calabash Cays (17°17′N, 87°48′W), Mar 1993, W.N. Mathis (51, 11); Rope Walk Cay (17°13′N, 87°51′W), Mar 1993, W.N. Mathis (14, 6). Stann Creek District: Round Cay (near Coco Plum Cay), Mar 1988, W.N. Mathis (1); Twin Cays (south end of East Island, West Bay), Jan 1987, Mar 1988. W.N. Mathis, C. Feller (2); Wee Wee Cay, Jan, Nov 1987, Mar 1988, W.N. and D. Mathis, C. Feller (11, 18).
DISTRIBUTION.—Afrotropical: Cape Verde Islands, Kenya, Rodriguez Islands, Zaire. Nearctic: Canada (NF, ON, QB), USA (AK, AL, AR, AZ, CA, CT, DC, FL, GA, IA, IL, IN, KS, LA, MA, MD, ME, MI, MO, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OR, PA, SC, SD, TN, TX, UT, VA, WA). Neotropical: Argentina, Bahamas, Belize, Bolivia, Brazil, Chile, Colombia, Costa Rica, Ecuador, Guatemala, Mexico (VRC), Panama, Paraguay, Peru, Venezuela, West Indies (Cuba, Dominica, Dominican Republic, Jamaica, Puerto Rico, St. Thomas). Palearctic: Algeria, Austria, Azores, Belgium, Bulgaria, Canary Islands, Croatia, Czech Republic, Estonia, Finland, France, Germany, Great Britain, Hungary, Iran, Italy, Macedonia, Morocco, Netherlands, Poland, Romania, Russia (European Territory, Far East), Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, Yugoslavia.
DIAGNOSIS.—This species is distinguished from congeners by the following combination of characters: antenna mostly yellowish although dorsal surface of pedicel and first flagellomere blackish; facial vertical series of setae three or more; face lacking vertical stripes, entirely silvery microtomentose; parafacial bearing setulae, microtomentum creamy whitish, slightly contrasted in coloration with facial microtomentum; frons mostly microtomentose, lacking metallic blue or green stripes; forecoxa mostly dark colored, brownish to blackish brown; mesonotum sparsely microtomentose, subshiny; postsutural supra-alar seta present; and anterior notopleural seta inserted in anterior notopleural angle.
- bibliographic citation
- Mathis, Wayne Neilsen. 1997. "Shore Flies of the Belizean Cays (Diptera: Ephydridae)." Smithsonian Contributions to Zoology. 1-77. https://doi.org/10.5479/si.00810282.592