Tokorhabditis atripennis, Ragsdale & Kanzaki & Yamashita & Shinya, 2022

Ragsdale, Erik J., Kanzaki, Natsumi, Yamashita, Tatsuya & Shinya, Ryoji, 2022, Tokorhabditis tauri n. sp. and T. atripennis n. sp. (Rhabditida: Rhabditidae), isolated from Onthophagus dung beetles (Coleoptera: Scarabaeidae) from the Eastern USA and Japan, Journal of Nematology 54 (1), pp. 1-21 : 7

Tokorhabditis atripennis * n. sp. = Tokorhabditis sp. NKZ329 apud Kanzaki et al. (2021)

( Figs. 8–14 ; Supplementary Movie S1)

Figures

Figure 8: Scanning electron micrograph of the male tail of TOKOrhabditiS taUri n. sp. Genital papillae are labeled with the prefix “P”; suffix “d” indicates papillae that open dorsally or laterally.

Figure 9: Mature hermaphrodite, male, and dauer juvenile of TOKOrhabditiS atripenniS n. sp. (A) Mature hermaphrodite. (B) Male. (C) Dauer juvenile.

Figure 10: Hermaphrodite, male and dauer juvenile of TOKOrhabditiSatripenniS n. sp. (A) Anterior part of hermaphrodite in left lateral view. (B) Surface of lip region of hermaphrodite. (C) Stomatal region of hermaphrodite in left lateral view. (D) Anterior part of dauer juvenile in left lateral view. (E) Surface of lip region of dauer juvenile. (F) Anterior gonad of mature hermaphrodite in right lateral view. (G) Anterior gonad of young hermaphrodite in right lateral view. (H) Tail region of hermaphrodite in left lateral view. (I) Male tail region in ventral view. (J) Male tail region in right lateral view. (K) Spicule and gubernaculum in right lateral view.

Figure 11: Differential interference contrast micrographs of the male tail region of TOKOrhabditiS atripenniS n. sp. (A) Right lateral view in three focal planes. (B) Ventral view in four focal planes. Genital papillae are labeled with the prefix “P”; suffix “d” indicates papillae that open dorsally or laterally. Ph, phasmid.

Figure 12: Differential interference contrast micrographs of the gonadal region of TOKOrhabditiS atripenniS n. sp. hermaphrodites. All images are in right lateral view. (A)–(C) Anterior gonad of maturing adult (A), young adult (B), and fourth-stage juvenile (C). (D) Vulval region of young adult in two focal planes. (E) Vulval region of mature adult. em, embryos; ov, ovary; sp, sperm. Arrowhead marks vulva in (A)–(C).

Figure 13: Differential interference contrast micrographs of the dauer juvenile of TOKOrhabditiS atripenniS n. sp. All images in left lateral view. (A) Entire body. (B) Lip and anterior pharynx region in two focal planes. (C) Posterior pharynx region in two focal planes. (D) Mid-body region in two focal planes. (E) Anal region. am, amphid; bb, basal bulb; ep, excretory pore; ga, genital anlage; mb, median bulb; nr, nerve ring.

Figure 14: Scanning electron micrograph of the male tail of TOKOrhabditiS atripenniS n. sp. Genital papillae are labeled with the prefix “P”; suffix “d” indicates papillae that open dorsally or laterally.