Polytes quechuus Eger, 1990

Eger, J. E., 1990, Revision of the Genus Polytes Stål (Heteroptera: Scutelleridae), Annals of the Entomological Society of America 83 (2), pp. 115-141 : 137-139

Polytes quechuus Eger , new species ( Fig. 104-109 )

Polytes fenestra Breddin 1903a: 122 (in part).

Description. Dorsum black todark brown except following yellow to red structures: 5 vittae on pronotum, lateral pair very broad, submarginal, impunctate; mesial vitta thinnest; 7 vittae on scutellum, lateral pair marginal on anterior half or more of scutellum, 2nd pair extending posterolaterally from anterior margin to lateral margin of scutellum (coalescing with lateral pair); 3rd pair parallel to mesial vitta, extending about % distance from posterior to anterior scutellar margins; mesial vitta extending length of scutellum. All vittae except lateral pair on pronotum commonly vagueor lacking, or scutellum uniformly orange red except dark anterior margin. Dorsal punctation dense, concolorous or dark brown to black in coloredvittae. Venter dark brown to black; coxae and base of rostrum brown; large yellow to red bilobed macule present on posterior margin of last abdominal sternite at meson; thin pale line usually present along lateral margin of propleura. Length 7.3-8.7.

Head broadly rounded anteriorly, short; length 1.8-2.1, width across eyes 2.4-2.8. Length of antennal segments 1-5: 0.5; 0.4-0.5; 0.4-0.5; 0.8-1.0; 1.1. Rostrum surpassing anterior margin of 2nd visible abdominal sternite.

Pronotum 2.1-2.8 long at meson, 4.4-5.6 wide across humeri. Anterolateral margins distinctly convex, flattened. Coxae and tarsi brown, remain-der of legs dark brown to black.

Scutellum 4.2-5.4 long at meson, 3.9-5.2 broad at widest point.

Posterior margin of male genital cup slightly sinuous ( Fig. 105 ), shallow, mesial emargination present in caudal view ( Fig. 104 ). Impression in floor of genital cup large, semicircular. Parameres hooklike, head thin, vaguely striated, shank elongate ( Fig. 106 ). Sclerotized apices of 2nd conjunctival diverticula variable, elongate with poorly defined base or relatively short with distinct, flattened base ( Fig. 107 and 108 ). Sclerotized apices of 3rd conjunctival diverticula small, thin, relatively straight ( Fig. 109 ).

Type Material. HOLOTYPE: 6, labeled: (a) PERU: Machu picchu . 2000m. 12 viii 1971. B. V. & J. S. Ridout. B. M. 1972-1955 ( BMNH). PARATYPES: Total of 2 66, labeled: (a) Cushi Peru, (b) From WFH Rosenberg ( USNM); and ( a) Peru, Amazonas. (b) Coll. Breddin. (c) H. Lehmann rev. (d) Paralectotypus. (e) des. H. Gaedike, 1968. (f) DEI Eberswalde ( DEI).

Distribution. Peru.

Comment. This species can be recognized readily by the impunctate lateral pair of pronotal vittae. The holotype is fully colored and superficially resembles P. leopardinus, whereas in the paratypes, only the impunctate pronotal vittae are presentand the scutellar vittae are vague or absent. The genitalia of P. quechuus are not similar to those of P. leopardinus , however. The second paratype is a paralectotype of P. fenestra . This species is named for the Quechua Indians who inhabit the Peruvian highlands.

Figures

Fig. 104-114. Fig. 104-109. Polytes quechuus. (104) Genital cup, caudal aspect. (105) Genital cup, dorsal aspect. (106) Paramere, ectal aspect. (107-108) Variation in sclerotized apex of 2nd conjunctival diverticula, lateral aspect. (109) Sclerotized apex of 3rd conjunctival diverticula, lateral aspect. Fig. 110-114. Polytes ruth. (110) Genital cup, caudal aspect. (Ill) Genital cup, dorsal aspect. (112) Paramere, ectal aspect. (113) Sclerotized apex of 2nd conjunctival diverticula, lateral aspect. (114) Sclerotized apex of 3rd conjunctival diverticula, lateral aspect.