Phthia Stål, 1862

Coscarón, María Del Carmen & Pall, José Luis, 2015, The Tribe Anisoscelini (Hemiptera: Heteroptera, Coreidae) in Argentina, Zootaxa 4033 (3), pp. 411-426 : 422

Genus Phthia Stål, 1862

http://lsid.speciesfile.org/urn:lsid:coreoidea.speciesfile.org:TaxonName:457658

1862 Phthia Stål , 294. Type species: Cimex lunatus Fabricius , designated by Van Duzee 1916, 11.

Diagnosis. (After Brailovsky, 2009) Head usually longer than wide; tylus in lateral view slightly higher than juga; antennal segment I thicker than following segments, cylindrical, weakly curved outward, distally thickened above upper half, longer than head; segments II and III slender, cylindrical, segment IV fusiform; antennal segment IV longest, segment I usually shortest, segment II longer than III. Pronotum wider than long; anterolateral borders obliquely straight, smooth,; humeral angles thick at base, tapering into short or large acute to subacute spine, slightly raised and pointing outward; posterolateral borders barely sinuate, outer third dentate, inner third smooth; posterior border straight to weakly convex, smooth. Scutellum variable in length, wider than long or longer than wide. Fore and middle femora ventrally armed with two subapical spines and one row of obtuse denticles, dorsally smooth; hind femora gradually incrassate (less so in female), ventrally armed with two subapical spines and two rows of large and stout spines, dorsally smooth; fore and middle tibiae slender, unarmed, sulcate; male hind tibiae slender, sulcate and ventrally armed with two irregular rows of stout spines; female hind tibiae slender, sulcate and unarmed. Abdominal sterna with medial furrow. Posteroventral edge of genital capsule slightly concave, bearing two broad spines on either side of middline, lateral angles quadrate. Abdominal sternite VII with fissure short, covering one third of length of sternite; plica quadrate, apically straight; Gonocoxa I subtriangular, inner margin close, upper and outer rounded and continuous. Posteroventral edge of genital capsule gently concave, bearing two broad spines on either side of midline, lateral angles quadrate. Female genitalia. Abdominal sternite VII with fi ssura short, covering one third of length of sternite; plica quadrate, apically straight; gonocoxae I subtriangular, inner margin close, upper and outer margins rounded and continuous.