Bioacoustics of Diplospinula

Description. Both sexes apterous ( Figs 1–3 ). Coloration . Body yellow ochre uniform, with slight variations in shades of yellow and brown ( Figs 1–3 ); ocelli whitish. Head. Face elongated, smooth ( Figs 3A, D ). Lateral ocelli small, rounded, almost indistinct, median ocellus absent ( Figs 3A, D ). Maxillary palpi article 4 slightly longer than 3, article 5 apex rounded ( Fig 2A ); labial palpi article 5 dilated, apex rounded ( Fig. 2A ). Pronotum. Pronotum disc subrectangular, glabrous ( Figs 1 , 2 ); lateral lobes with distinct furrow V-shaped ( Figs 1B , 2A, B ). Legs . Coxa I armed with dorsal spine ( Figs 1A, B ; 2A, B ). Spurs of TI and TII shorter than tibia width ( Figs 1A, B, D ); TII with inner apical spine ( Figs 1B, D ). FIII robust, ventrally armed with 1-7 spines on each face. TIII dorsally armed with 4-6 spines on each face; without pre-apical ventral spine; apical spurs: 3/3. Abdomen. Stridulatory apparatus on tergites II and III, two stridulatory rows on each segment, first shorter ( Figs 2A, B , 3B, E ). Cerci conical, covered with small setae ( Figs 3C, F ). Male. IX tergite without longitudinal furrow or thinner area on dorsal region ( Fig. 3C ); central area of posterior margin with small process, slightly projected forward; posterior margin laterally with pair of structures small, spine-shaped, apex slightly curved downward ( Fig. 3C ). Subgenital plate without styli ( Fig. 3C ). Female. Subgenital plate semicircular, base straight, posterior margin rounded, with setae ( Fig. 3F ). Ovipositor as long as FIII, margins smooth, sharp ( Figs 1D , 2B ).