Nannogermalus, Kobor & Kondorosy, 2020

Kóbor, Péter, 2023, The New Caledonian endemic geocorine bug genus, Nannogermalus is not monotypic anymore (Heteroptera: Lygaeoidea: Geocoridae), Zootaxa 5382 (1), pp. 43-54 : 45

Key to species of Nannogermalus

1. Pronotum with a short, elevated, longitudinal keel separating the callosities ( Fig. 11 ). Posterior margin of abdominal tergites III–IV unarmed.......................................................................................2.

– Pronotum without elevated keel between callosities. Posterior margin of abdominal tergites III–V armed with minute tubercles ( Fig. 12 )............................................................................................3.

2. Head and pronotum with marmorated pattern dorsally. Trifurcate carina of scutellum interrupted by punctures basally............................................................. Nannogermalus marmoratus Kóbor & Kondorosy, 2020

– Head and pronotum not marmorated; pronotum with brownish longitudinal lines near lateral margin (sometimes inconspicuously faded). Trifurcate carina of scutellum not interrupted basally........................... Nannogermalus webbi sp. nov.

3. Pronotum with a wide, brown longitudinal band medially. Punctation of pronotum posteriad to callosities irregular, relatively sparse.................................................................... Nannogermalus herczeki sp. nov.

– Pronotum with two thin brown longitudinal lines submedially. Punctation of pronotum posteriad to callosities even, dense......................................................................... Nannogermalus pallgergelyi sp. nov.

Figures

FIGURES 10–13. Morphological characteristics of Nannogermalus species: 10. head of N. pallgergelyi, 11. pronotum of N. webbi, 12. tuberculate margin of abdominal tergites in N. pallgergelyi, 13. tarsal claw and appendages in N. pallgergelyi (images not to scale).