Admirandus Belogurov & Belogurova, 1979

Cavalcanti, Mariana Da Fonseca, Guilherme, Betânia C. & Rosa-Filho, José Souto, 2023, Review of Admirandus Belogurov & Belogurova, 1979 (Nematoda, Oncholaimidae) with the description of a new species and the first record of the genus from Brazil, Zootaxa 5244 (1), pp. 71-81 : 72-79

Genus Admirandus Belogurov & Belogurova, 1979

Diagnosis of Admirandus Belogurov & Belogurova, 1979 (after Mordukhovich et al. 2015 and Lo Russo et al. 2016). Outer labial and cephalic sensilla papilliform. Cephalic sensilla setiform, surrounded by marginal lamellae shaped in form of hook plates. Buccal capsule elongated, length to width ratio ca. 1.5:1 to 3:1. Buccal cavity with three teeth, right ventrosublateral large, two other smaller, equal in size. Ovaries paired. Demanian system of Adoncholaimus type, but with terminal canals and pores located caudally. Spicules curved, cephalated proximally, point-ed distally, broadening slightly prior to distal end. Gubernaculum present. Supplementary ventromedial pre-cloacal organ present or absent. Tail conical anteriorly, cylindrical posteriorly. Pre- and post-cloacal sensilla setiform.

Emended identification key for Admirandus species

1 Demanian system with 2 tubes and pores......................................................... A. papillatus

- Demanian system with 3 tubes and pores................................................................... 2

2 Presence of a mid-ventral preanal supplementary organ............................................. A. belogurovi

- Preanal supplement absent.............................................................................. 3

3 Spicule longer than 50 mm .................................................................... A. multicavus

- Spicule length less than 50 mm ........................................................ A. capibaribei sp. nov.