Rheumatobates minutus minutus Hungerford, 1936

Castro-Vargas, Maria I. & Morales-Castaño, Irina T., 2011, The Rheumatobates Bergroth, 1892 (Hemiptera: Heteroptera: Gerridae) of Colombia, including the description of R. plumipes n. sp. and a key to represented species, Zootaxa 3040, pp. 1-18 : 13-14

Rheumatobates minutus minutus Hungerford, 1936

Material examined. COLOMBIA: MAGDALENA: 1Ƥ macr., Santa Marta, PNN Tayrona- Ciénaga Tortuga, 24.X.2004, F. Molano leg. ( LEUQ).

Color. Head brown, with a small yellow U-shaped spot. Antennal segment I pale yellow, with brown pubescence; antennal segments II, III and IV brown. Pronotum brown, with rectangular yellow spot wider than long on anterior region. Thorax in ventral view yellow. Mesoacetabula with yellow spots. Metanotum brown. Fore femur pale yellow; tibia brown, with yellow spot at basal region; tarsus brown; mid and hind legs brown, with pale yellow spots at basal region. Abdominal segments dorsally brown; sternites dark yellow.

Ƥ Macropterous ( Fig. 9 a). Head: total length, 0.28, maximum width, 0.29, interocular distance, 0.28. Length of antennal segments (I–IV): 0.24, 0.06, 0.23, 0.16. Antennal segments unmodified; segment III longest, with four long setae. Rostrum: total length, 0.44. Thorax: pronotum, total length, 0.09; pronotum extending to base of abdomen, with posterior margin acute. Legs and wings: hind legs unmodified; length of leg segments (femur, tibia, tarsus I, tarsus II,): foreleg: 0.41, 0.26, 0.03, 0.14; femur with row of ten setae at inner margin and three short erect setae at dorsolateral margin; midleg: 1.02, 0.84, 0.33, 0.18; hindleg: 0.74, 0.48, 0.08, 0.13; femur with five erect setae at inner margin. Forewings: total length, 1.82; surpassing apex of abdomen ( Fig. 9 b). Abdomen: total length, 1.0; connexiva rounded at apex; tergite VIII subpentagonal, with short setae; as long as the sum of two preceding tergites; gonocoxae as long as preceding sternite.

Diagnosis. Males of this species are differentiated from R. clanis and R. drakei Hungerford, 1954 because the fore femur is slightly widened, with some thin setae at inner margin. Females have the connexiva rounded at apex; the tergite VIII is subpentagonal, with short setae.

Distribution in Colombia. Magdalena.

Figures

FIGURE 9. Rheumatobates minutus minutus. a. dorsal view of macropterous female (all legs were omited). b. fore wing. All legs were omited.