Rhytidometopum Hebard

Estrada-Álvarez, Julio C., Alarcón, Maritza & Cazorla, Dalmiro, 2022, Sinopsis del género Rhytidometopum Hebard, 1920 (Blattodea: Pseudophyllodromidae), con la descripción de una nueva especie de Venezuela y adiciones a la fauna de cucarachas venezolanas, Revista Chilena de Entomología (Rev. Chil. Entomol.) 48 (4), pp. 745-753 : 747

Key to the separation of the species of the genus Rhytidometopum Hebard (males)

1a. Subgenital plate with two styles and absent interstilar process ( Figs. 2 c-e)…………… ..……….….............………………………………………………….. R. megalopterum Hebard

1b. Subgenital plate with both styles well developed and an interstilar process (Figs. 1i, 2e, 4)...................................................................................................................................................2

2a. Pronotum without two longitudinal bands ( Fig. 2a ). Tegminae and wings with two white bands in the discal area ( Fig. 2a )…………...………….… R. albomarginatum Princis

2b. Pronotum with two longitudinal bands (Fig. 1c). Tegminae and wings without white bands in the discal area (Fig. 1e)…………………………………………………..…....…….3

3a. Interstilar process without basal spine (Figs. 1i, j). Pronotum with black longitudinal bands (Fig. 1c)…………………………………………………………….…... R. chiripa sp. n.

3b. Interstilar process with a basal spine ( Fig. 4 ). Pronotum with brown longitudinal bands… …………………………………………………………………............……. R. dissimile Princis

Figures

Figuras 2a-e. Holotipo macho de Rhytidometopum albomarginatum Princis, 1951. (a) Vista dorsal. (b) Detalle de tergitos y lámina supra-anal.(c) Etiquetas. (d-e) Lámina subgenital, vistas ventral y dorsal. (2a-2c) Fotos ZMUC. (2d, 2e) Figuras tomadas de Princis (1951). / Male holotype of Rhytidometopum albomarginatum Princis, 1951. (a) Dorsal view. (b) Detail of tergites and supra-anal plate. (c) Labels. (d-e) Subgenital plate, ventral and dorsal views. (2a-2c) Photos ZMUC. (2d, 2e) Figures taken from Princis (1951).

Figuras 4. Rhytidometopum dissimile Princis, 1955. Lámina subgenital masculina en vista posterior, figura tomada de Princis (1955). / Male subgenital plate in posterior view, figure taken from Princis (1955).