Limnoxenus, MOTSCHULSKY, 1853

Angus, Robert B, Sadílek, David, Shaarawi, Fatma, Dollimore, Hayley, Liu, Hsing-Che, Seidel, Matthias, Sýkora, Vít & Fikáček, Martin, 2021, Karyotypes of water scavenger beetles (Coleoptera: Hydrophilidae): new data and review of published records, Zoological Journal of the Linnean Society 192 (3), pp. 958-958 : 958-

GENUS LIMNOXENUS MOTSCHULSKY, 1853

( FIG. 5F–K )

Material examined: Limnoxenus niger (Gmelin, 1790) : 2 spec. ( BMNH): France, Indre , Brenne, R . Angus lgt.; 1 spec. ( BMNH): Greece, Corfu , R . Angus lgt. (BMNH).

Karyotype: 2 n = 16 + Xy p (♂). All chromosomes, except the dot-like y, with strong centromeric C-bands. Chromosomes 1, 3, 4 and 7 metacentric, 2 and X subacrocentric, 5–7 acrocentric.

TRIBE HYDROPHILINI

Figures

Figure 5. Karyotypes of the Hydrobiusini. A–D, Limnohydrobius convexus: (A–B) mitosis, midgut; (C–D): testis, prometaphase. F–J, Limnoxenus niger: (F–H) midgut; (I–J) meiotic metaphase I, testes. A–C, E–F, I, without treatment. D, G, H, J, C-banded. Habitus figures: (E) Limnohydrobius convexus; (K) Limnoxenus niger.