Pemphredon

Belongs within: Pemphredonina. Pemphredon is a primarily Holarctic genus of tube-nesting wasps that provision their nests with aphids (Bohart & Menke 1976). Characters (from Bohart & Menke 1976): Mandible with three to six stout teeth or rarely with only two; labrum rounded apically; face without a marked scapal basin; eyes broadly separated, inner orbits often… Continue reading Pemphredon

Stigmina

Belongs within: Pemphredonidae.Contains: Stigmus. The Stigmina are a group of pemphredonid wasps with a large stigma and elongate metasomal petiole (Bohart & Menke 1976). Characters (from Bohart & Menke 1976, as Paracrabro + Stigmus + Carinostigmus): Forewing with two submarginal cells, one recurrent vein and two discoidal cells; stigma large; marginal cell elongate, larger than… Continue reading Stigmina