Holotype: ♀ in CNC. COSTA RICA, ACG, Alajuela Province, Sector Rincon Rain Forest, Estacion Caribe, 415m, 10.90187, -85.27495, 23.vi.2007. ACG database code: DHJPAR0025819.
Diagnosis. It belongs to the annulicornis species-group, and can be separated from other species within that group based on metatibia dark brown on posterior 0.9, pterostigma yellow-white, with very thin brown margins, T1 shape, and length of body and fore wing (1.6 mm).
Description. Female. Body length 1.6–1.7 mm. Fore wing length 1.6–1.7 mm. Head color: mostly dark brown to black; except for orange on most of frons and face, and yellow clypeus, labrum, mandibles, and spot on lower corner of gena near oral foramen. Flagellomere color: all flagellomere brown to black. Mesosoma color: entirely dark brown to black. Metasoma color (dorsally): mostly dark brown to black, except for yellow-orange anterior 0.4–0.6 of mediotergite 1. Coxae color: pale/pale/mostly or completely dark. Metatibia color: mostly dark, with anterior 0.1 pale. Metatarsus color: dark. Pterostigma color: entirely pale. Mediotergite 1 length/width at posterior margin 4.6–5.0 ×. Mediotergite 1 maximum width/width at posterior margin 2.9–3.0 ×. Mediotergite 2 width at posterior margin/length: 2.0–2.1 ×. Mediotergite 2 sculpture: Mostly smoth and polished. Ovipositor sheaths length: 0.6 × as long as metatibia. Male. Unknown.
Costa Rica, ACG rain forest.