Necrobia

Chapman, Eric G., Leavengood, John M. & Dupuis, Julian R., 2025, The Cleridae and Thanerocleridae of eastern North America, with illustrated keys, updated distributions, and special emphasis on the Kentucky fauna, Zootaxa 5639 (1), pp. 1-88 : 26

Key to species of Necrobia ( Korynetinae ) in eastern North America

1. Entire body including appendages unicolorous, metallic blue to green ( A)................. Necrobia violacea (Linnaeus)

1’. Body not unicolorous, minimally with portions of appendages red to reddish-brown ( B, C)........................... 2

2(1’). Legs and basal antennomeres reddish-brown, otherwise entirely metallic blue or metallic green ( Couplet 1: B)........................................................................................... Necrobia rufipes De Geer

2’. Legs, prothorax and basal ¼ of elytra reddish-brown, front of head and apical ¾ of elytra metallic blue ( Couplet 1: C)................................................................................ Necrobia ruficollis (Fabricius)