Megaplectes monticola dentatus Uchida, 1930

Megaplectes monticola dentatus Uchida, 1930 View in CoL

[SJN: Futotsuno-togari-himebachi]

( Figs. 41A–G, 42A–D, 76E, J, 79K)

Megaplectes monticola var. dentatus Uchida, 1930: 304 View in CoL . Megaplectes monticola dentatus View in CoL : Townes & Gupta, 1962: 222. Megaplectes monticola View in CoL : Uchida, 1936b: 1.

Materials examined. JAPAN: [Hokkaido] KPM-NK 103056 , M, Sapporo City, Teinekanayama , 19. VII. 2012, M. Ito leg. ; KPM-NK 103057 , F, ditto, 27. VIII. 2010 ; KPM-NK 103058 , F, Engaru Town, Urashimanai path, 13. VII. 2012, M. Ito leg. [ Honshu ] : KPM-NK 91325 , F, Shizuoka Pref., Shizuoka City, Umegashima, Abe-toge , 3. VIII. 2015, T. Sasai leg. ; KPM-NK 103055 , M, Toyama Pref., Toyama City, Arimine, Inonedani , 14–21. VII. 2009, M. Watanabe leg. (MsT) ; KPM-NK 103059 , M, Nagano Pref., Kamikochi , 24–25. VII. 1957 , R. Ishikawa leg.; KPM-NK 81279 , F, ditto, 4. VIII. 1957 ; KPM-NK 103060 , F, Nagano Pref., Ueda City, Sugadaira-kogen , 22. VII. – 8. VIII. 2014, S. Shimizu leg. (MsT) ; KPM-NK 103061–103065 , 1 F & 4 M, Tochigi Pref., Kuriyama

Vil., Kinunuma , 19. VII. – 1. VIII. 2004, H. Makihara leg. (MsT) . RUSSIA: SEHU, 1F (lectotype), Sachalin, Ichinosawa , 12. VIII. 1928, H. Furukawa leg.

Description. Female (n = 7). Body punctate and polished; covered with setae; body length 13.5–20.0 mm.

Head 0.6–0.65 (HT: 0.6) × as long as wide in dorsal view. Clypeus 2.25–2.4 × as wide as long; slightly convex in lateral view; densely punctate; punctures partly united each other; lower margin subtruncate or sometimes slightly concave medially in frontal view, blunt in lateral view. Face 0.4 × as long as minimum width; weakly convex medially; densely punctate, ISP matt; punctures large and shallow, its margin not clearly defined. Frons largely weakly concave above antennal sockets; usually with single median horn ( Figs. 76E, J); largely irregularly rugose medially, punctate laterally; horn projected frontwards. POL 0.8–1.1 × as OD. OOL 1.25–1.6 × as OD. Gena and occiput densely punctate. Dorsal profile of gena nearly straight in dorsal view; width gradually narrowing posteriorly ( Fig. 41C). Occipital carina complete. Malar space 1.1–1.25 × as long as basal width of mandible. Mandible flat at base; lower tooth equal in length of upper tooth. Antenna with 37–42 flagellomeres; apical part flattened below and tapped to slender apex. FL I 2.9–3.15 × as long as maximum depth in lateral view, 1.45–1.5 × as long as FL II.

Mesosoma densely punctate ( Fig. 41D). Epomia short; dorsal end situated between collar and dorsal margin of pronotum. Mesoscutum with short and weak notaulus. Mesopleuron with smooth area around speculum; punctures partly united into groove-like foveola. Epicnemial carina present laterally and ventrally. Sternaulus deep in anterior 0.66 of mesopleuron. Metapleuron reticulate rugose; without juxtacoxal carina. Propodeum largely reticulate rugose; anterior transverse carina absent ( Fig. 41F); posterior transverse carina largely absent or partly present; lateromedian longitudinal carina largely indistinct or partly present; lateral longitudinal carina partly present or complete; pleural carina complete; area superomedia indistinct or obtusely defined; apophysis strong and sharply pointed; spiracle oval. Fore wing length 12.5–16.0 mm. Areolet as long as maximum width; width gradually narrowing anteriorly; received vein 2m-cu at near middle ( Fig. 41E). Fore wing vein 1cu-a interstitial to or slightly postfurcal to vein M&RS ( Fig. 41E). Nervellus subvertical; intercepted near posterior to middle ( Fig. 41E). Hind femur densely punctate; 5.7–6.7 × as long as maximum depth in lateral view. Tarsal claws simple.

Metasoma finely punctate. T I 1.8–2.1 × as long as maximum width; smooth anteriorly, matt medially, densely punctate and foveolate posteriorly ( Fig. 41G); latero-median carina largely present except for apical part indistinct; dorso-lateral carina present except for apex. T II 0.65 × as long as maximum width. Thyridium present; close to anterior margin of T II; depressed; ca. 3.0 × as wide as length. Ovipositor sheath 0.6–0.7 × as long as hind tibia, 1.1–1.3 × as long as T I. Ovipositor straight or slightly decurved; apex sharp and with some minute teeth dorsally; apex of lower valve with teeth ( Fig. 79K).

Colouration ( Figs. 41A–G). Body (excluding wings) black to blackish-brown. Setae brown to blackish-brown. Subapical part of mandible tinged with reddish-brown. FL VI to FL X (or XI or XII) with white markings. Ventral surface of flagellum, fore and mid legs, membranous parts of metasomal sternites partly tinged with reddish-brown. Metasomal tergites sometimes slightly tinged with dark blue refection. Apex of ovipositor sheath dark brown. Ovipositor reddish-brown. Wings dark brownish-hyaline. Veins and pterostigma blackish-brown.

Male (n = 7). Similar to female ( Figs. 42A–D). Clypeus 2.4–2.6 × as wide as long. Face 0.4–0.45 × as long as minimum width. Malar space 0.8–0.9 × as long as basal width of mandible. Antenna not flattened below and tapped; with tyloids on FL XIII to FL XXII ( Fig. 42D). FL I 2.4–2.7 × as long as maximum depth in lateral view, 1.15–1.35 × as long as FL II. Propodeal carinae partly present. OOL 1.0–1.5 × as OD. T I 1.95–2.85 × as long as maximum width. T II 0.9–1.05 × as long as maximum width. Face with a pair of yellow markings along orbit. FL IX (or X) to FL XIV (or XV) with white markings.

Distribution. Japan (Hokkaido, Honshu, and Shikoku), China, Korea, Russia, Canada, and USA.

Bionomics. Unknown.