Diagnosis: It belongs to the annulicornis species-group, and can be separated from other species within that group based on the combination of head brown, flagellomeres 7–9 white, anteromesoscutum with orange marks centrally, and metatarsus and posterior 0.2 of metatibia brown.
Description: Female. Body length 2.8–2.9 mm. Fore wing length 3.0–3.1 mm. Head color: mostly dark brown to black, except for yellow clypeus, labrum, mandibles, and spot on lower corner of gena near oral foramen. Flagellomere color: central flagellomere white-yellow, rest dark brown to black. Mesosoma color: mostly dark brown to black, with pronotum, propleura, anteromesoscutum, spot on mesopleura, and scutellar disc at least partially orange. Metasoma color (dorsally): mostly dark brown to black, except for yellow-orange anterior 0.4–0.6 of mediotergite 1. Coxae color: pale/pale/pale but with anterior 0.1–0.2 dark. Metatibia color: mostly pale, with posterior 0.1–0.2 dark. Metatarsus color: dark. Pterostigma color: mostly dark, but with anterior pale spot. Mediotergite 1 length/width at posterior margin 2.6–3.0 ×. Mediotergite 1 maximum width/width at posterior margin 1.7–1.8 ×. Mediotergite 2 width at posterior margin/length: 3.4–3.5 ×. Mediotergite 2 sculpture: Mostly with longitudinally striate sculpture (sometimes with small, smooth area centrally). Ovipositor sheaths length: 1.0 × as long as metatibia. Male. As female, but with all flagellomeres brown, and sometimes anteromesoscutum and metasoma darker.
Costa Rica, ACG cloud forest.