Length: 2-2.8mm. Basic colour: black. Pattern: none. Number of spots: 0. Pronotum: black. Head colour: black. Leg colour: black with pale to dark brown tarsi. Other features: hairy.
Habitats: coniferous woodland and trees. Host plants: needled conifers. Food: aphids and adelgids. Overwintering sites: bark crevices and sheltered positions on needled conifers.