Therea cf. petiveriana (Linnaeus, 1758)

Bohn, Horst, 2024, The spine armament of the legs as an important means for the characterisation of the genera of Corydiinae and their relationships (Blattodea, Corydiidae), Zootaxa 5482 (1), pp. 1-79 : 45

Therea cf. petiveriana

Figs. 16E,F , 18H , 19F

Male characters. Tegmina fully developed, with subcosta lobe; right tegmen specialised, with a sharp edge at the borderline between the two differently structured areas, Fig. 19F . Hindwings strongly shortened.—Femur armament: femora of all legs with an apical spine.—Tibia armament: [3.6.1][7.6.3][10–11.6.6].—Subgenital plate: anterior apodemes inconspicuous, strong bristles in the posterior half of the plate, with rather long styli, Fig. 16F .— Supraanal plate: short, rounded trapezoidal, Fig. 16E .—Cercal tricholiths: 1–3 per anulus, Fig. 18H .

Female: Wings similarly developed as in male.

Material studied: 2♂, S-Indien, Shevaroy Hills , 20 km N Salem, 700–1500 m, TN, leg. Werner / Lorenz (preps.: Bo 1378, Bo 1388) ; 1♂, S-Indien, Nilakottai (Dindigui), 21.X.1997, leg. Werner (prep.: Bo 1377). ( ZSM) .

Figures

FIGURE 16. Supraanal plate with praprocts (at the left, dorsal view) and subgenital plate (at the right, ventral view) of male.— Species: A,B: Homoeogamia mexicana, Bo 1181; C,D: Ergaula cf. capensis, Bo 1185; E,F: Therea cf. petiveriana, Bo 1377; G,H: Eucorydia dasytoides, Bo 1390.—Abbreviations: c cercus, p paraproct, s stylus.—Enlargements: Scale 1mm.

FIGURE 18. Cerci of male with tricholiths, ventral view.—Species: A: Euthyrrhapha pacifica, Cap Verden, Cv 35/7; B: Tiviella inconspicua, Bo 612; C: Homoeogamia mexicana, Bo 1180; D: Polyphagina algerica, Bo 1376; E: Arenivaga bolliana, Bo 1407; F: Eremoblatta subdiaphana, Bo 1415; G: Ergaula cf. capensis, Bo 1185; H: Therea cf. petiveriana Bo 1378; I: Polyphaga aegyptiaca, from Lesbos, ex. cult.; J: Anisogamia tamerlana, Bo 1401; K: Psammoblatta livida, Bo 1334.—Number of tricholiths per anulus: A: one or two (at the base few anuli); B–F: two; G,H: three; I–K: more than five.—Enlargements: Scale in B 0.1 mm, in all others 0.25 mm.

FIGURE 19. A–C. Cerci of male with tricholiths, ventral view, all species with more than five sensilla per anulus.—Species: A: Eupolyphaga spec. 2, Bo 1367; B: Heterogamisca bolivari, Syntype, Bo 1356; C: Mononychoblatta semenovi, Bo 1391; D: Heterogamisca cerverae, Bo 1404.—E–H. Right tegmen with specialisation for the fixation of the left tegmen at rest.— Species: E: Eucorydia dasytoides, from Formosa, Kosempo; F: Therea cf. petiveriana, from S-India, Shevaroy Hills; G: Ergaula cf. capenesis; H: Homoeogamia mexicana. The arrows pointto the positions where the borderline between the two different areas crosses the anal furrow; the whitish patches along the borderline in E are especially shiny parts of the specialised surface;af anal furrow; sa specialised area; us unspecialised area.—Enlargements: Scale 2.5 mm.