Cardiodactylus palawan Gorochov, 2014

Robillard, Tony, Gorochov, Andrej V., Poulain, Simon & Suhardjono, Yayuk R., 2014, Revision of the cricket genus Cardiodactylus (Orthoptera, Eneopterinae, Lebinthini): the species from both sides of the Wallace line, with description of 25 new species, Zootaxa 3854 (1), pp. 1-104 : 80-82

Cardiodactylus palawan Gorochov , n. sp.

( Figs 4 , 6E , 48 )

Type material. Male holotype: Philippines. Palawan Province, northern part of Palawan I., environs of Taytay Town on eastern coast, secondary forest, on leaf of bush, at night, 25–26.II.2004, A. Gorochov ( ZIN). Paratype :

Philippines. Palawan Province, northern part of Palawan I., environs of Port Barton on western coast, 27–29.II.2004, 1♀, secondary forest on hills, at night, A. Gorochov ( ZIN) .

Type locality. Philippines, northern part of Palawan I., environs of Taytay Town on eastern coast, secondary forest .

Other material examined: Philippines. Palawan, coll. Br. v. W. [Brunner von Wattenwyl], 1♀, #18876 (MNHN-EO-ENSIF1197) .

Etymology. Named after the type locality.

Distribution. Philippines, northern part of Palawan Island.

Diagnosis. The new species differs from similar species by the following characters: from C. reticulatus , C. singapura , C. lampongsi , C. tello , C. erniae and C. floresiensis in the epiphallus clearly narrowed in middle part; additionally from C. reticulatus and C. tello , it differs in a more easily S-shaped dorsal edge of the dorsal epiphallic ridges in profile, and from the other species, in roundly-angular (not only rounded) proximal corners of the high parts of dorsal epiphallic ridges in profile. From C. pelagus , the new species differs in a wider subapical part of the epiphallus, more strongly S-shaped dorsal edges of the dorsal epiphallic ridges (this character also separates the new species from C. loboe ), and less distinctly darkened apical parts of the hind femora, and from C quatei , C. oeroe , C. celebae and C. gagnei , in the notches between the proximal corners of dorsal epiphallic ridges and dorsoproximal lobes of epiphallus in profile clearly less deep (from the first species) or distinctly narrower (from the second, third and forth species). Female of C. palawan differs in the longitudinal veins of the dorsal tegminal field weakly convex, area between Sc and R with the crossveins and membranes of the same color, or distal part of the hind femora not contrastingly darker than the other parts of these femora.

Description. Male (holotype): Coloration of body light brown with following marks: face of epicranium with a few rather small brown spots (some of them weakly distinct; Fig. 6E ); dorsum of head brown with small light brown areas on rostrum and distinct light pattern from longitudinal and oblique lines; lateral part of head with only brown area behind each eye ( Fig. 48C ); most part of labrum and of clypeus yellowish; scape and palpi with slightly darker (almost grayish brown) small marks (including darkened apical part of fifth segment of maxillary palpi); antennal flagellum with brown middle and distal parts; pronotum with most part of lateral lobes brown and with several darkish and weakly distinct spots on disk ( Fig. 48C ); tegmina brown with reddish brown M, R, stock of Sc, areas (and crossveins) between them, and large spot situated slightly distad than plectrum, with light grayish brown membranes around chords and at apex of dorsal field, with whitish two spots on basal area of this field, one spot near mirror, one spot (much larger) on proximal half of this field, narrow and rather short humeral stripe in proximal part of tegmina, oblique veins, some of chords, all branches of Sc, and distal area of lateral field, as well as with yellowish diagonal vein and crossveins in apical area of dorsal field ( Fig. 48D–E ); exposed part of hind wings brown with weakly lighter (weakly distinct) venation; legs with two slightly darkened spots on middle tibiae and on distal part of hind tibiae, and with partly brown (but not dark) fore and middle tarsi; coxae, all sternites, and genital plate yellowish; visible parts of abdominal tergites dorsally brown with light brown spots; anal plate with a few small brown marks; cerci yellowish with numerous small brown marks. Structure of body similar to that of C. reticulatus , but tegmina ( Fig. 48D–E ) slightly not reaching abdominal apex, their mirror 2.1 times as long as wide; epiphallus of genitalia not long, clearly narrower in middle part and widened in subapical part ( Fig. 48H–K ); proximal corners of high parts of epiphallic dorsal ridges roundly angular in profile and separated from dorsoproximal lobes of epiphallus by not deep notches; these dorsal ridges in profile roundly and easily (not roundly-angularly) S-shaped ( Fig. 48H–I ).

Female: General appearance as in male, however with following differences: face of epicranium with brown spots slightly larger; darkened area on rostral dorsum somewhat lighter; most part of pronotal lateral lobes darker, almost dark brown; pronotal disk with more distinct spots; tegminal dorsal field slightly lighter (intermediate between brown and light brown), with yellowish-whitish large basal spot in dorsal field and rather wide humeral stripe (fused with this spot proximally), with light brown majority of longitudinal veins in dorsal field, and with almost yellowish crossveins between latter veins ( Fig. 48F–G ); femora somewhat more spotted (all they with slightly darker spots, but small spots along ventral ridges of hind femora more distinct, brown; hind tibiae missing); structure of tegmina and of abdominal apex similar to that in female of C. reticulatus , but genital plate with widely truncate apex, and ovipositor clearly longer (hind femur 1.25 times as long as ovipositor).

Measurements. Length in mm. Body: male 19, female 16; body with wings: male 22, female 25; pronotum: male 2.5, female 3; tegmina: male 12.5, female 15.5; hind femora: male 13.5, female 15; ovipositor 12.

Habitat and life history traits. Unknown.

Behavior. Unknown.

Figures

FIGURE 4. Distributions of Cardiodactylus species around the Wallace line. The species’ distributions are hypothesized broadly according to the material examined and type localities. The Walace line is represented in red.

FIGURE 6. Head of Cardiodactylus species in dorsal (left) and facial (right) views: Cardiodactylus lombrinjani Robillard, n. sp. (A); C. muiri Otte, 2007 (B); C. muria Robillard, n. sp. (C); C. obi Gorochov & Robillard, n. sp. (D); C. palawan Gorochov, n. sp. (E); C. pelagus Otte, 2007 (F); C. reticulatus Gorochov, n. sp. (G); C. riga Otte, 2007 (H); C. rizali Robillard, n. sp. (I); C. sumba Robillard, n. sp. (J); C. talaudae Robillard, n. sp. (K); C. tangkoko Gorochov, n. sp. (L); C. tello Robillard, n. sp. (M); C. variegatus Gorochov, n. sp. (N). Scale bar = 1 mm.

FIGURE 48. Cardiodactylus palawan Gorochov, n. sp.: head in facial (A), dorsal (B), and lateral (C) views; male FW dorsal (D) and lateral (E) views; female FW in dorsal (F) and lateral (G) views; male genitalia in lateral (H–I), ventral (J) and dorsal (K) views.