Cycloptiloides bimaculata Tan, Japir & Chung, 2021

Tan, Ming Kai, Japir, Razy, Chung, Arthur Y. C. & Wahab, Rodzay Bin Haji Abdul, 2021, New species and taxonomic notes of scaly crickets (Orthoptera: Mogoplistidae Mogoplistinae) from Borneo, Zootaxa 5048 (3), pp. 407-421 : 410

Cycloptiloides bimaculata Tan, Japir & Chung , new species

( Figs. 2–4 )

Micrornebius incertus ( Ingrisch, 1998) — Ingrisch, 1998: 232 [one of the females (not a type) erroneous described under Derectaotus incertus ]

Cycloptiloides sp. 1 — Ingrisch, 2006: 185

Material examined. Holotype, male (SDK.19.20), EAST MALAYSIA, Sabah, Sandakan, Sepilok, Rainforest Discovery Centre , N5.87580, E117.94299, 39.1± 5.4 m.a.s.l., leaf litter, 9 January 2019, 1911h, coll. M. K. Tan, R. Japir, M. Binti, J. L. Yukang ( FRC).

Paratypes, 2 females: 1 female (SDK.19.19), same locality, N5.87356, E117.94172, 49.1± 5.2 m.a.s.l., leaf litter, 9 January 2019, 1105h, coll. M. K. Tan, R. Japir, M. Binti, J. L. Yukang ; 1 female (SDK.19.35), same locality, N5.87553, E117.94116, 33.4± 4.9 m.a.s.l., 9 January 2019, 2040h, coll. M. K. Tan, R. Japir, M. Binti, J. L. Yukang (all FRC) .

Remarks. Ingrisch (2006) described the female of this species as Cycloptiloides sp. 1 without providing a species name. Here, we provide a formal name, assign a male holotype and describe the male.

Diagnosis. The male differs from congeners by the supra-anal plate trapezoidal in shape with apical margin broadly rounded, with dark scales and yellow brown setae laterally and shiny pale in the middle (forming two spots). The female differs from congeners by shorter maxillary palps and ovipositor and more transverse supra-anal plate ( Ingrisch, 2006).

Etymology. The species name refers to the two spots in the middle of the supra-anal plate; bi = two in Latin, maculata = spotted in Latin.

Description. Habitus of male as shown in Figs. 2 , 3 . Dorsum of head flattened ( Fig. 3A ). Frontal rostrum 1.2 times wider than scapus. Maxillary palps with apical (= fifth) a little longer than subapical (= fourth) and third segments, subapical and third segments subequal lengths; apical segment little widened ( Fig. 4A ). Pronotum about 1.5 times longer than wide with anterior dorsal margin distinctly concave; lateral margin subparallel in anterior half and faintly widening posteriorly; covering tegmen entirely; posterior margin convex. Fore tibia with internal tympanum large and elongate oval ( Fig. 4B ); without external tympanum. Hind femur 1.4 times longer than hind tibia; hind tibia 2.1 times longer than hind metatarsus.

Male. Supra-anal plate trapezoidal with apical margin broadly rounded, with setae at lateral parts ( Figs. 4C, 4D ). Subgenital plate trapezoidal, posterior margin slightly convex ( Fig. 4F ). Epiphallus and phallic complex hyaline ( Fig. 4E ).

Female. Already sufficiently described in Ingrisch (2006). Our female specimens from Sandakan agree with the description.

Colouration. General colouration similar to female described in Ingrisch (2006). Male supra-anal plate with dark scales laterally, middle shining pale coloured (forming two spots) ( Figs. 4C, 4D ). Cercus (both male and females) with brown scales.

Measurements (in mm). Holotype BL = 3.9; FRW = 0.27; SW = 0.14; EW = 0.14; PL = 1.9; PW = 1.3; HFL = 2.5; HFW = 0.9; HTL = 1.8; HML = 0.8.

Distribution. Borneo (Sabah: Kinabalu, Sandakan )

Figures

FIGURE 2. Cycloptiloides bimaculata Tan, Japir & Chung, sp. nov. male (A) and female (B) adults on leaf litters in Rainforest Discovery Centre, Sandakan.

FIGURE 3. Cycloptiloides bimaculata Tan, Japir & Chung, sp. nov. male holotype habitus in ethanol in dorsal (A) and lateral (B) views. Scale bar: 1 mm.

FIGURE 4. Cycloptiloides bimaculata Tan, Japir & Chung, sp. nov. male holotype: head (A) and inner tympanum (B) in lateral view; male abdominal apex in dorsal (C in ethanol, D from live photograph), lateral (E) and ventral (F) views. Scale bars: 1 mm (all except B), 0.5 mm (B).