Microbrachida, Bierig, 1939

Caron, Edilson, Souza, Maria Geralda De & Pamblona, Ana Maria Santa Rosa, 2024, Rediscovery of Microbrachida Bierig, 1939, description of a new species from the Brazilian Amazon and its potential for biological control (Coleoptera, Staphylinidae), Zootaxa 5537 (4), pp. 541-550 : 545

Key to species of Microbrachida

1. Head and pronotum with somewhat dense pubescence ( Fig. 1 ); antenna unicolor ( Fig. 4 )............. M. gilvicornis Bierig

- Head and pronotum subglabrous, with sparse pubescence ( Fig. 6 ); antenna bicolor, antennomeres darker gradually from 8 to 11................................................................................. M. perniciosae Caron

Figures

FIGURES 1–5. Microbrachida gilvicornis, holotype (FMNH). 1. Habitus, dorsal view; 2. Habitus, lateral view; 3. Labels; 4. Antennae, dorsal view; 5. Abdomen, dorsal view. Scale bars: 1, 4, 5 = 0.5mm; 2 = 0.2mm. Photo credit: Jessica Wadleigh@The Field Museum, CIL-FMNH.

FIGURES 6–7. Microbrachida perniciosae. 6. Habitus, dorsal view; 7. Habitus, lateral view; Scale bars: 1mm.