Periphloea, Redtenbacher, 1906

Heleodoro, Raphael Aquino, Queiroz, Larissa Lima De & Rafael, José Albertino, 2021, Two new species of Periphloea Redtenbacher, 1906 (Insecta: Phasmatodea: Pseudophasmatidae) from the Brazilian Amazon Basin, Zootaxa 5047 (5), pp. 520-530 : 528

Key to females of Periphloea

1 Head pro- and mesonotum with conspicuous projections...................................................... 2

1’ Head pro- and mesonotum without projections......................... P. olivacea (From French Guiana, Figs. 5C–D ).

2 Head pro- and mesonotum with conspicuous acute projections; tegmina with posterior half with conspicuous light-yellow tessellated pattern.................................................. P. corticina (From French Guiana, Figs. 5A–B )

2’ Head pro- and mesonotum with rhomboid projections (except for longest projection of the head); posterior half of tegmina without a conspicuous tessellated pattern.................................................................. 3

3 Head with conspicuous black stripe behind eye; tegmina (with dark-brown aspect) and costal margin of posterior wing with conspicuous stripes and stains........................................................................... 4

3’ Head without black stripe behind eye; tegmina (with greenish aspect) and costal margin of posterior wing without conspicuous stripes or stains; costal margin of posterior wing nearly entirely concolor....................................................................................................... P. santara (From Santarém, Brazil, Figs. 6A–B ).

4 Pro- and mesosternum dark-brown; tegmina with long and wide light-yellow stripe at costal section, reaching from base to apex; having long and wide black stripe at radial-medial section; keel of tegmina slightly undulated, with apical-most projection slender ( Figs. 2B–C )............................. P. amazonica sp. nov. From North of Manaus, Brazil, Figs 1A–B ).

4’ Pro and mesosternum light-yellow with dark-brow stains; tegmina with long black stripe at medial sector, with faded lightyellow stain from approximately mid length of costal sector, curving towards anal sector; keel of the tegmina conspicuously undulated, apical-most projection widened ( Figs. 4B–C ).................................................................................................. P. paraensis sp. nov. (From Eldorado dos Carajás, Brazil, Figs 3A–C ).

Figures

FIGURE 1. Periphloea amazonica sp. nov. holotype ♀ A) habitus, dorsal view; B) idem, lateral view; C) idem, ventral view; D) idem, dorsal view with spread anterior and posterior wing.

FIGURE 2. Periphloea amazonica sp. nov. holotype ♀ body parts. A) Head and pronotum, lateral view; B) Tegmina, lateral view; C) Tegmina, posterior view; D) Tergites VIII–X, dorsal view; E) idem, lateral view; F) apex of abdomen, ventral view.

FIGURE 3. Periphloea paraensis sp. nov. holotype ♀. A) habitus, dorsal view; B) idem, lateral view; C) idem, ventral view.

FIGURE 4. Periphloea paraensis sp. nov. holotype ♀. A) Head and pronotum, lateral view; B) Tegmina, lateral view; C) Tegmina, dorsal view; D) Tergites IX–X and cerci, dorsal view; E) idem, lateral view; F) apex of abdomen, ventral view.

FIGURE 5. Periphloea Redtenbacher, 1906 species. A) P. corticina Redtenbacher, 1906 holotype ♀ habitus, dorsal view; B)

FIGURE 6. Periphloea santara (Westwood, 1859) holotype ♀. A) habitus, dorsal view; B) head and pronotum, dorso-lateral view. All images were taken by Paul Brock, from Brock et al. (2017) and belong to the Natural History Museum, London, United Kingdom and were properly authorized to be used.