Systematics and biogeography of the New World species of Trichadenotecnum Enderlein (Insecta: Psocodea: ‘ Psocoptera’: Psocidae) Author Yoshizawa, Kazunori Author Aldrete, Alfonso Neri García Author Mockford, Edward L. text Zoological Journal of the Linnean Society 2008 2008-08-31 153 4 651 723 https://academic.oup.com/zoolinnean/article-lookup/doi/10.1111/j.1096-3642.2008.00398.x journal article 10.1111/j.1096-3642.2008.00398.x 0024-4082 5446195 THE ROESLERI GROUP Diagnosis: Small psocids, length of forewing c . 2 mm . Forewing ( Fig. 1D–F ) extensively covered with small spots; spots in cell a faint; opposing spots of r absent or only posterior spot distinct; proximal band only distinct just below fork of M + Cu and along basal section of vein Rs; distal band faint, indistinct in cell r 3 ; submarginal spots sometimes indistinct, especially in cells r 1 , r 3 and m 3 ; marginal clouds only distinct along vein ends; Rs fork acute; third section of CuA almost straight, directed posteriorly. Male terminalia . No clunial arm present ( Fig. 3A, E ). Epiproct with keel-like projection posteriorly ( Fig. 3B, E ); epiproct lobe well expanded, its dorsal margin with some rather long setae ( Fig. 3B, F ). Paraproctal distal lobe small ( Fig. 3A, E ); distal process long and almost straight, directed posteriorly. Eighth venter ( Fig. 3C, I ) with transversal single sclerite fused with hypandrium posteriorly at middle . Hypandrium ( Fig. 3C, G, I ) symmetrical; median tongue well developed, its ventral surface with denticles. Phallosome ( Fig. 3D, H, J ) variable in shape but consistently symmetrical. Female genitalia ( Fig. 4 ). Ventral valve short, not reaching external valve.