Bothromesostoma evelinae Marcus, 1946

Reyes, Jhoe, Binow, Daniela, Vianna, Rogério T., Brusa, Francisco & Martins, Samantha E., 2021, Fig. 12. Majella pristis n in Periclimenaeus djiboutensis Bruce 1970, Zoological Studies 60 (22), pp. 1-33 : 16

Bothromesostoma evelinae Marcus, 1946 ( Fig. 6B )

Studied material: A single individual studied alive, fixed in alcohol ( MZUSP PL 2261).

Localities: Site 2 (29/05/2019), associated with phytal microhabitats.

Description: Body is 3.5 mm long and 0.5 mm wide, cylindrical or fusiform. Pigmentless spots, one pair dorsolateral at the anterior end of the body, connected to the peripheral unpigmented edge, while the dorsal surface has a dark blackish pigmentation ( Fig. 6B ). The ventral surface has clearer pigmentation than the dorsal surface.

Taxonomic remarks: Our findings correspond to descriptions given for specimens found in the Neotropical region ( Marcus 1946; Noreña-Janssen 1995; Noreña et al. 2006b; Ponce de León 1986).

Distribution: The species is distributed in Brazil ( Marcus 1946), Uruguay ( Ponce de León 1986), Argentina ( Noreña-Janssen 1995) and Peru ( Noreña et al. 2006b).

Figures

Fig. 6. Live specimens of Typhloplanidae. (A) Mesostoma ehrenbergii, dorsal view of a mature individual observed in dark field. (B) Brothromesostoma evelinae, dorsal view. (C–E) Strongylostoma elongatum: (C) dorsal view of a mature specimen, (D) detail of the male copulatory organ (scale bar not available), (E) schematic representation of the habitus.