Apatrobus (Apatrobus) osuzuyamanus Sasakawa & Toki, 2007, sp. nov.
Creators: name: Sasakawa, Kôji
name: Toki, Wataru
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Carabidae
Apatrobus
Apatrobus osuzuyamanus

description: Apatrobus (Apatrobus) osuzuyamanus sp. nov.
Figs 2–3, 5, 8–10, 12–16, 22–23
Type materials. Holotype, ď, Mt. Osuzuyama, ca 1300 m Tsuno-chô, Miyazaki Pref. (32°16'N, 131°25'E), 14. ix. 2006, Wataru Toki leg., (FZUT 0014) [FZUT]; Paratypes, 5ďď, same data as holotype; 4ďď2ΨΨ, same locality and collector, 4. v. 2006; 1ď3ΨΨ, same locality and collector, 24. v. 2007 [FZUT, NHML and KS].
Other specimens examined for comparison. A. (A.) ohtsukai Morita 1993 (Figs 1, 4, 6–7): ď, holotype, ‘ Holotype (red label)//NO 1 (light-blue label)//Mt. Yamaingiri Izumi-mura Kumamoto Pref. Kyushu JAPAN // 13-IX-1992 S. MORITA leg.// Apatrobus ohtsukai Morita sp. nov. Det. S. Morita, 1993 ’, [NSMT]; A. (A.) hikosanus (Habu 1953) (Fig. 11): ď, Mt. Hikosan Fukuoka Pref. (type locality), 11. vi. 1984. S. Kasahara leg.’, [NSMT]; A. (A.) kurosawai Morita 1986 (Fig. 20): ďΨ, Kinsenji, Mt. Taradake, Nagasaki Pref. (type locality), 3-5. vi. 2005, [KS].
Diagnosis. Externally similar to A. ohtsukai, A. hikosanus, and A. kurosawai, but distinguished from A. ohtsukai by a larger body (Figs 1–3), a pair of small depressions on the pronotum (Figs 4–5), and an aedeagal apex with an acute right edge (arrows with an asterisk in Figs 6, 9; see also Morita 1993: Fig. 5); from A. hikosanus by the absence of a denticle at the aedeagal apex (arrows with two asterisks in Figs 10–11); and from A. kurosawai by developed spiny sclerites (Figs 20–22).
Description. Body length (measured from the apex of clypeus to the elytral end): ď, 9.78–10.79 mm (mean ± SD; 10.31±0.27 mm; n=11); Ψ, 10.48–11.35 mm (mean ± SD; 10.97±0.32 mm; n=5). Dorsal surface (Figs 2–3) black and shiny, without metallic luster. Appendages dark brown.
Head widest at mid-eye level, with length from clypeal apex to neck base 0.71–0.76 times longer than width between eyes; mandibles short, with grooved surface; labrum 6-setose, with anterior margin almost straight; frontal impressions large and deep, with posterior ends reaching to those of the eyes; surface of frontal impressions markedly punctate; frons sparsely punctate; two pairs of supraorbital setae, anterior pair at mid-eye level and posterior pair at the level of the basal 1/3 of tempora; longitudinal line between eye and supraorbital seta deep and long, with posterior ends reaching apical 1/3 of tempora; eyes convex and almost the same length as tempora; tempora swollen, almost smooth at dorsal and lateral sides, but punctate at ventral side; mentum tooth bifid, with a pair of setae at base; submentum with two pairs of setae. Antennae long; segments 1–2 without pubescence; one seta on segment 1; four setae on segment 2.
Pronotum (Fig. 5) cordate, widest at apical 1/3, 0.78–0.86 times longer along median line than wide at widest point; anterior margin weakly emarginated, with width between apices of anterior angles 0.62–0.70 times wider than pronotal width at widest point; posterior margin almost straight, with width between apices of posterior angles 0.66–0.71 times wider than pronotal width at widest point; lateral margins arcuate at apical 2/3, slightly sinuate at basal 1/3; anterior angles barely produced; posterior angles almost right-angled, with apices narrowly rounded; two pairs of marginal setae, anterior pair at apical 1/3 and posterior pair at the tip of hind angle; surface with punctations at anterior and posterior margins and laterobasal impressions; small depression at point midway between median line and anterior marginal seta; laterobasal impression single and deep; median line deep in mid-region, shallow near the anterior and posterior margins.
Elytra convex, widest behind middle, 1.56–1.68 times longer than wide at widest point; shoulders rounded, without a denticulate tooth; apices narrowly rounded but not denticulate; intervals convex near base, almost flat at apex; scutellar stria present, but not connected to stria 1; one dorsal pore at the anterior end of stria 1; three dorsal pores on interval 3, all adjoining stria 3; hind wings reduced.
Ventral side with punctations at ventral side of tempora, prosternum, episternum, and lateral sides of sterna 2–7; sternum 7 with a pair of setae in males, two pairs in females. Legs stout; hind tarsomeres with three to four setae on ventrolateral margins.
Aedeagus (Figs 8–10, 23) stout, bent in somewhat obtuse angle near the base, twisted to right side; dorsal surface membranous except for apical part; apical part bent in the right lateroapical direction; right corner of apical part protruded ventrally, left one dorsally. Right paramere broad. Left paramere broad, larger than right one.
Endophallus (Figs 12–14, 22) stout and straight, directed right dorsolaterally; left pigmented band short, weakly sclerotized; left laterobasal lobe large; ligula small, weakly arcuate, with apex narrowly pointed; dorsal lobe markedly large, with dorsum bearing spiny sclerites; both right and left subapical lobes moderatesized, adjoining dorsal lobe; right apical lobe moderate, adjoining dorsal lobe; left apical lobe small; gonoporal piece large.
Vagina (Figs 15–16) with strong pigmentation at base; bursa copulatrix markedly large, with anteroposteriorly elongated bursal sclerite on ventral surface; irregular pigmentations on dorsoapical surface of bursa copulatrix; spermatheca almost straight and elongated, with apex weakly expanded; spermathecal gland connected to basal 1/6 of spermatheca.
description: Published as part of Sasakawa, Kôji & Toki, Wataru, 2007, Apatrobus osuzuyamanus sp. nov., a new patrobine species from Japan, with a comparative study of the male genital morphology of the tribe Patrobini (Coleoptera: Carabidae), pp. 41-48 in Zootaxa 1615 on pages 43-46, DOI: 10.5281/zenodo.179060