Eiphosoma rumi Cuéllar-Ramírez & Ramos-Pastrana & Fernandes 2023, sp. nov.

Eiphosoma rumi sp. nov.

Figs 57–63

Diagnosis. Scutellum yellow with the posterior part black, with raised longitudinal lateral scutellar carina; mesoscutellum black with yellow markings at the level of the notaulus; anterior transverse carina of the propodeum with angulations; fore wing hyaline.

Description. Female. (Holotype). Fore wing 6.1 mm. Mandible with upper tooth wider and longer than the lower, clypeus in lateral view, strongly convex, malar space 0.5× greater than basal length of mandible (Figs 57– 59); mesopleuron punctate and pubescent in the lower part, central area completely smooth; sternaulus strongly impressed and smooth; metapleuron with upper part punctate and pubescent, pleural carina weak and incomplete, submetapleural carina long and lesser pronounced; pronotum with epomia strongly elevated (Figs. 57–58); scutellum smooth and polished without punctures, with longitudinal lateral carina elevated, mesoscutellum with medial lobule completely punctate, lateral lobes with punctures only in the anterior part, notaulus slightly impressed (Fig. 60); propodeum completely striate and coriaceous, strong and complete anterior transverse carina, posterior transverse carina absent (Fig. 61); hind coxa black and pubescent ventrally, hind tibia with a sharp spine; hind tarsal claw curved and pectinate; first segment of the metasoma narrow, remaining segments wider; ovipositor straight, 1.3 × longer than hind tibia, with an apical notch, ovipositor sheaths pubescent; fore wing with vein 3 rs -m present; vein 1 m -cu joining 2 rs -m next to Rs +2 r; vein M complete; vein cu -a ending at the base of the vein Rs & M (Fig. 62); hind wing with four hamuli.

Coloration. Yellow head with black mark on interocellar area; mesosoma black with yellow marks; mesoscutellum with two circular yellow marks on the front of the notaulus; scutellum yellow marked with black posteriorly; mesopleuron black with yellow marks around the sternaulus; metapleuron marked with black in the lower part; propodeum with a black mark running almost its entire length, only yellow in the posterior part; fore leg yellow; hind leg completely black; wings hyaline; pterostigma black.

Male. Unknown.

Type material. HOLOTYPE ♀. COLOMBIA, Caquetá: Florencia, Vereda San Francisco San Pacho, finca El Recreo, 01°42’24”N, 75°36’36” W, 643 m, 26.IX.–09.X.2016, trampa Malaise en cultivo de caña (Saccharum officinarum), Y. Ramos-Pastrana (1♀, LEUA –53657).

New World geographical distribution. Colombia (Caquetá *). (Fig. 63).

Etymology. In tribute to the parents of the main author Rubén Cuéllar Castaño and Milley Ramírez Godoy, for unconditional support in all processes. The name must be considered as a noun in apposition.

Habitat. The specimen was collected with Malaise-type flight interception trap at ground level in cultivated sugarcane. The vegetation of the collection site corresponds to forests of the Andean-Amazonian foothills.

Hosts. Unknown.

Taxonomic notes. Eiphosoma rumi sp. nov. belongs to the E. nigrovittatum species-group. The species closest is E. bogan having a mostly black mesosoma, and the posterior carina of propodeum absent; but in E. rumi sp. nov. the face is completely yellow except for the interocellar area; scutellum yellow with a black mark in the posterior area and with an elevated lateral longitudinal carina; mesoscutellum black, with two yellow marks on the lateral lobes in the anterior part of notaulus; fore wing completely hyaline to apex, while E. bogan has a black stripe in the central area of the face attached to the interocellar mark; scutellum and mesoscutum completely black; fore wing with darkened apex.