Trichadenotecnum erwini, Yoshizawa & Aldrete & Mockford, 2008

Yoshizawa, Kazunori, Aldrete, Alfonso Neri García & Mockford, Edward L., 2008, Systematics and biogeography of the New World species of Trichadenotecnum Enderlein (Insecta: Psocodea: ‘ Psocoptera’: Psocidae), Zoological Journal of the Linnean Society 153 (4), pp. 651-723 : 676-680

TRICHADENOTECNUM ERWINI SP. NOV.

Material examined: Holotype. Male. Peru: Madre de Dios. Río Tambopata Reserved Zone , 30 km SW Puerto Maldonado, 290 m, 14.ix.1984, T. L. Erwin et al. ( SI).

Etymology: The specific epithet honours Dr Terry L. Erwin, leader of the Smithsonian Institution team that conducted canopy fogging episodes at the Río

Tambopata Reserved Zone and at the Waorani Ethnic Reserve, In Napo, Ecuador.

Description: Male. Head. White in ground colour; vertical and orbital markings brown; coronal suture dark brown; frontal suture bordered with a narrow brown band dorsally; frons with pair of pale brown bands medially, and with pair of blackish brown spots laterally; gena almost white except ventral and dorsal margins brown; eye black, small, IO/D = 1.5; ocelli white, ocellar field black; antennal socket bordered with broad brown band; postclypeus with c. eight rows of blackish brown spots, fused with each other ventrally, forming a large circular marking, lateral region white; anteclypeus brown. Antenna pale brown, pedicel and scape darker. Mouth parts pale brown; 4th segment of maxillary palpus brown.

Thorax. Prothorax brown. Mesonotum pale; anterior surface of anterior lobe of scutum brown, anterior margin of anterior lobe brown and with pale brown marking posteriorly; anterior margin of scutellum blackish brown; postnotum pale. Metanotum pale brown; anterior region of lateral lobe of scutum brown; postnotum pale. Meso- and metapleurites brown, with longitudinal white band medially.

Legs. Coxae brown; fore leg missing; femora brown except distal half of middle femur pale; tibiae pale brown, distal end of hind tibia darker; hind tarsus brown.

Forewing ( Fig. 17A ). Spots in cell a 1 rather small, basal one paler. Opposing spots in cell r small, broadly separated from each other. Proximal band narrow, its outline indented, broadly interrupted just beyond fork of M + Cu. Median spots sparse, some spots fused with each other. Distal band narrow, faint in cell r 5. Spot on roof of cell m 3 broad. Submarginal spots apparent; spots in cells r 3 and r 5 larger than others, spot in r 5 largest. Marginal clouds apparent, darker in cells r 5 and m 1. Hindwing. Hyaline; veins brown.

Abdomen. White, irregularly with blackish brown spots. Terminalia. Clunial arm ( Fig. 18A ) long and narrow, dorsal margin incised by membranous region; needle-like apically, its apical tip free from membrane. Anterior margin of 8th sternum ( Fig. 18C ) only slightly sinuate, partly fused with hypandrium posteriorly. Epiproct ( Fig. 18A, B ) chairshaped; epiproct lobe long and broad, broader than long, expanded dorsally, dorsal margin almost straight, with small conical process at middle, posterior surface slightly swollen. Hypandrium ( Fig. 18C ): left process conical, directed posteriorly, slightly sinuate, with small conical process dorsobasally; right process lamellate, apical margin serrated; median tongue constricted at basal third, apical margin denticulate, with shallow rounded notch, dorsal surface with semicircular keel covered by denticles. Phallosome ( Fig. 18D ): pseudoparameres broader than long, narrowly separated, apical margin rounded, postero-internal part with few denticles. Phallobase widest near middle, then narrowing to pointed anterior end.

Length. B 2.3; FW 2.5; HW 1.8.

Female. Unknown.

Distribution: Peru.

Figures

Figure 17. Forewings of Trichadenotecnum erwini (A), T. chiapense (B), T. quaesitum (C), T. quaesitellum (D), T. cerrosillae (E), T. maculatum (F), T. neoleonense (G), T. ericium (H), T. brevicornum (I), T. concinnum (J), T. acutum (K) and T. nicaraguense (L.).

Figure 18. Male terminalia structures of Trichadenotecnum erwini, showing terminalia in lateral view (A), epiproct in posterior view (B), hypandrium in ventral view (C) and phallosome in ventral view (D).