Sesioctonus torresi Sharkey and Briceño, 2005

Briceño, Michael J. Sharkey Rosa A., 2005, Review of Sesioctonus Viereck (Hymenoptera: Braconidae: Agathidinae) from Colombia with descriptions of five new species, Zootaxa 1002 (1002), pp. 45-58 : 52-53

Sesioctonus torresi Sharkey and Briceño sp. n.

FIG. 1c

Diagnosis. Distinguished from all other known species of Sesioctonus by the following suite of characters. (RS+M)a vein of fore wing incomplete, 2 nd submarginal cell of fore wing petiolate; coloration unique, Fig. 1c.

Description.

♀. Length. Length of body, excluding ovipositor, 4 mm.

Head. Antenna with 28 flagellomeres. Interantennal space lacking longitudinal keel. Antennal sockets not excavated. Face without median longitudinal carina. Gena not expanded posteroventrally. Occipital tubercles absent. Occiput not excavated. Mandible concave. Outer tooth of mandible longer than inner tooth. Maxillary palpus with 5 palpomeres. Third and fourth labial palpomeres not fused. Mesosoma . Subpronope elongate. Longitudinal carinae of scutellar depression absent. Scutellum convex. Median areola of metanotum smooth, without median longitudinal carina, and with lateral carinae present and meeting posteriorly. Propodeum convex, median longitudinal carina absent. Epicnemial carina absent. Suture between mesepisternum and mesepimeron depressed. Fore tibial spines absent. Mid tibia with 8–9 spines. Hind tibia with 12 spines. Hind femur 3.59 times as long as wide. (RS+M)a vein of fore wing incomplete. 3RSa vein of fore wing absent. 2 nd submarginal cell petiolate. 2­1A vein of hind wing tubular. CUb vein of hind wing not tubular. Hind wing with 3 hamuli. Metasoma. Median tergite of first metasomal segment lacking pair of lateral longitudinal carinae. First metasomal median tergite without depression posterad spiracle. Length: width ratio of first metasomal median tergite 0.7. Ovipositor length 3.5 mm.

Color. Head yellowish orange except vertex and occiput melanic. Antenna melanic. Maxillary and labial palpomeres yellowish orange. Mesosoma melanic except pronotum, propleuron, metapleuron and propodeum yellowish orange. Fore leg yellowish orange. Mid leg yellowish orange except tibia and tarsus melanic. Hind leg with coxa yellowish orange except melanic dorsally, trochanter and trochantellus melanic, femur melanic in basal middle and yellowish orange in distal middle, tibia and tarsus melanic. Fore wing weakly infuscate, stigma melanic. Hind wing weakly infuscate. Metasoma yellowish orange but third segment with median tergite melanic in posterior quarter; fourth segment with median tergite melanic and fifth to eighth metasomal terga mostly yellowish orange but median tergites melanic centrally. Ovipositor sheath yellowish orange.

♂. Unkown.

Etymology. Named after the Reina brothers, Edwin and Miguel, who have spent the last six years diligently sorting insects from Malaise traps that have been running throughout Colombian national parks.

Material examined. Holotype. COLOMBIA: ♀, Magdalena, PNN Santa Marta, San Lorenzo , 10°48'N, 73°39'W, 2200m. Malaise trap. 9–24.vi.2000, J. Cantillo. (IAvH).

Paratype. COLOMBIA: ♀, Magdalena, PNN Santa Marta, San Lorenzo , 10°48'N, 73°39'W, 2200m. Malaise trap. 27.ii–14.iii.2001. J. Cantillo. Leg. m.1468, ( HIC) .

Distribution. Known only from the type locality in Colombia.