Ploiaria, Scopoli, 1786

Rédei, Dávid, 2008, A New Species Of Ploiaria (Heteroptera: Reduviidae: Emesinae) From Peninsular Malaysia, Raffles Bulletin of Zoology 56 (1), pp. 11-15 : 15

Key to the Oriental species of Ploiaria having a spiniferous process on fore trochanter

1. Pronotum not or only slightly longer than head. Ventral projection of fore trochanter short, sometimes inconspicuous, wart-like, bearing a long apical spine. Body length less than 8 mm ......................................................................................... 2

– Pronotum much longer than head. Ventral projection of fore trochanter much longer than wide at base, bearing a relatively short apical spine. Body length more than 10 mm ............. 3

2. Mid and hind femora with light apical annulus. Posterior process of pygophore bifid. Only macropterous morph known (tropicopolitan, occurs in the Neotropical, Afrotropical, Oriental, Australian and Pacific Regions) ............................................... ........................................... P. macrophthalma (Dohrn, 1860)

– Mid and hind femora uniformly brownish, without light apical annulus. Posterior process of pygophore simple, spine-like. Only macropterous morph known (Oriental and Pacific Regions) .. ........................................................ P. insolida (White, 1877)

3. Head distinctly granulate. Fore femur with two large dark spots on posterior surface. Only apterous morph known ( India; Pakistan) ............................................... P. anak Distant, 1909

– Head not granulate. Fore femur with four irregular brown annuli and several small, rounded dark brown spots. Only macropterous morph known (Malay Peninsula) ............................................. ................................................. P. vandoesburgi , new species