Listrognathus (Fenestula) aequabilis Uchida, 1952

Listrognathus (Fenestula) aequabilis Uchida, 1952 View in CoL

[SJN: Sasayama-tsuno-togari-himebachi]

( Figs. 71A–D)

Listrognathus aequabilis Uchida, 1952: 19 View in CoL .

Materials examined. JAPAN: [Honshu] MNHAH, 1F,

Hyogo Pref., Sasayama , 25. XI. 1950, K. Iwata leg.; KPM-NK 103194 , F, Hyogo Pref., Kasai City, Kishiro Town , 29. IV. 2011, K. Maeto & K. Watanabe leg.; KPM-NK 103195 , M, Hyogo Pref., Tatsuno City, Kamioka Town, Hashizaki , 22. IV. 2019, K. Watanabe leg.

Description. Female. See Uchida (1952) and Sheng & Sun (2009).

Male (n = 1). Similar to female ( Figs. 71A–D). Body length 7.9 mm. Clypeus 2.0 × as wide as long. Face 0.7 × as long as minimum width. POL 1.9 × as OD. OOL 1.3 × as OD. Malar space 0.7 × as long as basal width of mandible. Lower part of gena without deep concavity along hypostomal carina. Antenna with 31 flagellomeres; with slender, linear tyloids on FL XI to FL XXI ( Fig. 71D). FL I 2.8 × as long as maximum depth in lateral view, 1.05 × as long as FL II. Fore wing length 5.8 mm. Hind femur 6.1 × as long as maximum depth in lateral view. T I 3.5 × as long as maximum width; with pair of lateral weak convexities. T II 1.5 × as long as maximum width. Frons with pair of small yellow markings between antennal sockets and eyes ( Fig. 71C). Antenna without white band ( Fig. 71A). Hind TS II to TS IV entirely ivory ( Fig. 71A).

Distribution. Japan (Honshu).

Bionomics. Unknown.

Remarks. This is the first record of the male of this species.