Lagria (Apteronympha)

Ruzzier, Enrico & Martínez-Muñoz, Carlos A., 2021, First record of the invasive Lagria villosa (Fabricius, 1781) (Coleoptera Tenebrionidae: Lagriinae) in Europe, Zootaxa 4908 (1), pp. 147-150 : 148

Key to species of the subgenus Lagria (Apteronympha)

1 Male with interocular distance more than half of eye diameter. Legs , antennae, head and pronotum entirely black. Elytral pubescence shorter. Female with shallow midlongitudinal impression restricted to posterior half of pronotum ( Spain)...................................................................................... Lagria rubida Graells, 1855

- Male with interocular distance less than half of eye diameter. Legs and antennae (frequently also pronotum and head) at least partly reddish brown. Elytral pubescence somewhat longer. Female with deep midlongitudinal impression almost reaching anterior margin of pronotum (South-western Europe to Switzerland, Morocco)......... Lagria rugosula Rosenhauer, 1856