Tylopsis bilineolata Karsch, 1893

Heller, Klaus-Gerhard, Hemp, Claudia, Massa, Bruno, Rakotondranary, Jacques & Krištín, Anton, 2019, Notes on a small collection of phaneropterine bush-crickets (Insecta: Orthoptera: Tettigonioidea) from Central and Southern Madagascar with the description of two new species, Zootaxa 4563 (2), pp. 297-310: 302

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Tylopsis bilineolata Karsch, 1893


Tylopsis bilineolata Karsch, 1893 

( Fig. 5View FIGURE 5)

MADAGASCAR: Ranomafana , rain forest, Soarana trail, 920 m a. s. l., - 21.256813° S, 47.422720° EGoogleMaps  ; 25 iii 2015, leg. Anton Krištín, CH 8596, male.

From Madagascar, two species of the genus Tylopsis  are known: T. bilineolata Karsch, 1893  (see Ragge 1964) and T. irregularis Karsch, 1893  (see Massa 2017c). From the shape of the cerci ( Fig. 5AView FIGURE 5) and the pronotum ( Fig. 5BView FIGURE 5), our specimen belongs to T. bilineolata  , and here to the larger and more common morph (length of hind femur 25 mm; see Ragge 1964). Its stridulatory file ( Fig. 5CView FIGURE 5) is quite similar to that of T. lilifolia (Fabricius)  (compare Heller 1988, fig. 110).

Habitat. The specimen was found in a bush within tall tropical rainforest with many palm species and several tree fern species.