Account
What the sources say about this taxon, as written.
distribution · 
Plazi
Distribution. See Maps 1 , 2 Habitat. Lives on the ground in heath or open habitats where it is fairly common. The katydids are agile and alert and jump wildly when disturbed. Seasonal occurrence. Adults are to be found from late spring into mid-summer. Stridulatory file. Stridulatory file undulating, the proximal portion raised, as if on a blister, with approximately 30-32 teeth, a few clustered at the margin of the tegmen ( Fig. 20A ). Karyotype. 2n male=31 ( 30t +Xt) Figs 22a A-C Recognition. Males of this species are very distinctive with the long, spiniform cercus that is often retracted downwards and inwards.
diagnosis · Plazi
Differential diagnosis. Male . Antenna about twice as long as body. Eye round, bulging, positioned high on head. Hind tibia armed dorsally with numerous spines, often alternating in lengths; apex with a pair of relatively short spurs, positioned subapically; ventral surface with a smaller number of more elongate spines on each side, apex with a single pair of spurs. Prothorax with processes elongate, slender, widely separated; meso- and metathoracic processes prominent, erect. Tegmen short ( Fig. 2G ); stridulatory file positioned on a raised swelling or blister ( Fig. 20A ). Cercus ( Figs 2E, F, I ) spiniform, in situ often directed downwards. Abdomen with tenth tergite feebly membranous and with a shallow median impression; supra-anal plate very elongate, narrow ( Fig. 2E ); paraprocts not well indicated, apparently not performing a grasping function; phallic complex ( Fig. 2H ) with median lobes elongate, a pair of slender rods at base, one on each side. Subgenital plate ( Fig. 2I ) narrow, styles elongate. Female. Differs from male in the following. Prothorax ( Fig. 2B ). Cercus short, robust. Subgenital plate ( Fig. 2D ) triangular, apex narrow, with shallow median incision. Ovipositor elongate, very faintly upcurved, several times the length of the body ( Table 1 ). Colouration. General overall colour straw brown with dark, broad median stripe ( Fig. 2A ). Adult males with tip of abdomen bright orange in life. Cerci clothed with stiff dark brown setae.