Cybocephalidae

Hisamatsu, Sadatomo, 2013, A review of the Japanese Cybocephalidae (Coleoptera: Cucujoidea), Zootaxa 3616 (3), pp. 253-267 : 266

Key to Cybocephalidae from Japan

1. Eyes indistinctly visible in ventral aspect. Metaventrite ( Fig. 2 A) concave and short, about as long as mesoventrite. Apical margin of inter-metacoxal area of abdominal sternite III ( Fig. 2 A) narrow and acuminate ( Pastillus ). Antennae ( Fig. 8 K) tensegmented.................................................................. Pastillus eminentithorax sp. nov.

– Eyes distinctly visible in ventral aspect. Metaventrite ( Fig. 2 B) convex and elongate, longer than mesoventrite. Apical margin of inter-metacoxal area of abdominal sternite III ( Fig. 2 B) wide and broadly rounded ( Cybocephalus ). Antennae ( Figs. 4 I, 6F, 7I) eleven-segmented.................................................................................. 2

2. Head and anterior margin of pronotum ( Fig. 1 C) with metallic luster...................... C. (C.) chlorocapitis sp. nov.

– Head and anterior margin of pronotum without metallic luster.................................................. 3

3. Male pronotum ( Fig. 1 A) yellowish. Median lobe of male genitalia ( Fig. 4 C) in lateral view extremely thin. Elytral punctures ( Fig. 3 B) large, as large as an eye-facet at middle................................ C. (C.) nipponicus Endrödy-Younga

– Male pronotum ( Fig. 1 B) black. Median lobe of male genitalia ( Figs. 5 P–T) in lateral view extremely thick. Elytral punctures ( Fig. 3 C–D) small, smaller than an eye-facet at middle................................... C. (C.) politissimus Reitter

Figures

FIGURE 1. Lateral habitus of Cybocephalidae spp. A, Cybocephalus (C.) nipponicus Endrödy-Younga, 1971 (male, Tokunomori, Ehime Pref.); B, Cybocephalus (C.) politissimus Reitter, 1898 (male, Yoshiji-chô, Shimane Pref.); C, Cybocephalus (C.) chlorocapitis sp. nov. (holotype, male, Amami Is.); D, Pastillus eminentithorax sp. nov. (paratype, female, Araike, Aichi Pref.). Scale bars = 1 mm.

FIGURE 2. Pastillus eminentithorax sp. nov. and Cybocephalus (Cybocephalus) nipponicus Endrödy-Younga, 1971. A, C, Pastillus eminentithorax; B, D, Cybocephalus (C.) nipponicus. A, B, body, ventral view; C, D, scutellum. A = Mt. Kôbô, Kanagawa Pref.; B, D = Morimatsu, Ehime Pref.; C = Mt. Haigamine, Hiroshima Pref.

FIGURE 3. Elytral punctuation of Pastillus eminentithorax sp. nov. and Cybocephalus (Cybocephalus) spp. A, Pastillus eminentithorax sp. nov.; B, Cybocephalus (C.) nipponicus Endrödy-Younga, 1971; C, D, Cybocephalus (C.) politissimus Reitter, 1898. A = female, Mt. Haigamine, Hiroshima Pref.; B = male, Morimatsu, Ehime Pref.; C = male, Yakushima Is.; D = male, Sugitate, Ehime Pref.

FIGURE 4. Cybocephalus (C.) nipponicus Endrödy-Younga, 1971. A, tegmen, ventral view; B, median lobe, ventral view; C, median lobe, lateral view; D, sclerite of internal sac; E, left protibia; F, left mesotibia; G, left metatibia; H, labrum; I, right antenna; J, spermatheca, spermathecal gland, and sperm duct; K, ovipositor; L, mentum. A – L = Morimatsu, Ehime Pref. Scale bars = 0.1 mm.

FIGURE 5. Male genitalia of Cybocephalus (C.) politissimus Reitter, 1898. A – E, sclerite of internal sac; F – J, tegmen, ventral view; K – O, median lobe, ventral view; P – T, median lobe, lateral view. A, F, K, P = Kurotaki, Ehime Pref.; B, G, L, Q = Mt. Ichibusa, Kumamoto Pref.; C, H, M, R = Tokunoshima Is.; D, I, N, S = Onna-son, Okinawa Pref.; E, J, O, T = Kuantzuling, Taiwan. Scale bars = 0.1 mm.

FIGURE 8. Pastillus eminentithorax sp. nov. A, tegmen, ventral view; B, median lobe, ventral view; C, sclerite of internal sac; D, left protibia; E, left mesotibia; F, left metatibia; G, labrum; H, spermatheca, spermathecal gland, and sperm duct; I, ovipositor; J, mentum; K, right antenna. A – C = holotype, Amami Is.; D – K = paratype, Ohmishima Is., Ehime Pref. Scale bars = 0.1 mm.