Diagnosis: It belongs to the annulicornis species-group, and can be separated from other species within that group based on the combination of body length 2.5 mm, fore wing length 2.7 mm; pterostigma pale with thin brown margins, T1 shape and T2 mostly longitudinally striate.
Description: Female. Body length 2.4–2.5 mm. Fore wing length 2.6–2.7 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: first 6–8 flagellomere lighter in color than the rest (which are dark brown to black), making the antenna look as bicolored. Mesosoma color: mostly orange, with parts or all of propodeum, metapleuron, metascutellum, and axillar complex brown to black. Metasoma color (dorsally): mostly yellow-orange, except for mediotergites 4–7 which are centrally brown. Coxae color: pale/pale/mostly or completely dark. Metatibia color: mostly pale, with posterior 0.1–0.2 dark. Metatarsus color: dark. Pterostigma color: pale, with thin dark margins. Mediotergite 1 length/width at posterior margin 2.1–2.5 ×. 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: 1.1 × as long as metatibia. Male. Unknown.
Costa Rica, ACG dry forest.