Paduniella monga, Johanson, Kjell Arne & Oláh, János, 2010

Johanson, Kjell Arne & Oláh, János, 2010, Description of six new species of Oriental Paduniella (Insecta: Trichoptera: Psychomyiidae), Zootaxa 2548, pp. 43-56 : 48-49

Paduniella monga , new species

Figs 10–12

Paduniella monga , new species is unique in the combination of having a pair of inferior appendages being curved dorsad and truncated in lateral view; a straight median process, and a slightly sigmoid ventral part of sternite IX. The species resembles P. w a n g t a k r a i e n s i s Malicky & Chantaramongkol from Thailand in most genitalic structures. It is separated from that species in lateral view in possessing a more rectangular tergite IX, slightly longer superior appendages, wider inferior appendages, and in ventral view by the presence of a pair of rounded ventral lobes of inferior appendages.

Male genitalia. Sternite IX club-shaped in lateral view ( Fig. 10 ); wide ventral part with convex anterior margins and shallowly concave posterior margins, nearly sigmoid in lateral view; dorsal part of sternite IX parallel-sided, straight, longer than thick ventral part, orienting anterodorsally; joining tergite IX dorsally of mid-height of genitalia. Narrow dorsal part of sternite IX forming right angle with ventral part of sternite IX. Sclerotized part of tergite IX long, narrow, rectangular in lateral view ( Fig. 10 ), pointing posteroventrally, apex truncated. Superior appendages long, narrow in lateral view, posteriorly separate from tergite IX by suture; widening anterad; distal part with slightly convex dorsal margin; covered by setae; ventral margin straight in lateral view ( Fig. 10 ); apex pointed. Median branch of inferior appendages visible immediately above main branch in lateral view ( Fig. 10 ), trapezoid, covered by setae; in ventral view ( Fig. 11 ) forming short, broad mesal lobes with slightly convex lateral margins and straight mesal margins; about half as wide as main branch of inferior appendages; originating at mid-length of main branch ( Fig. 11 ); mesal margins nearly parallel; setae present in mesal row. Ventral lobe of inferior appendages located ventrally of main branch in lateral view ( Fig. 10 ); in ventral view forming pair of rounded, posterad orienting lobes covered by setae ( Fig. 11 ). Main branch of inferior appendages with parallel-sided, straight dorsal and ventral margins ( Fig. 10 ); strongly narrowing at mid-length before widening slightly dorsally at apices; dorsoapical and posterior margins straight ( Fig. 10 ); in ventral view, inferior appendages slightly converging, with truncate apices ( Fig. 11 ). Phallic apparatus connecting to sternite IX and tergite IX by long, slender, nearly parallel-sided, slightly dorsad curving sternal strip ( Fig. 12 ). Phallobase smoothly curving anterodorsally, with strongly convex ventral margin; nearly as long as sternal strip; dorsal and ventral margins parallel; anterior apex thicker than rest of sclerite. Median process long, straight, parallel-sided along its length, except narrowing posteroapically ( Fig. 12 ). Phallicata narrowing at mid-length, slightly sigmoid, posterior apex pointing posteroventrad; apex truncated. Anterior part of paramere forming wide U with basis of phallicata; slightly curving ventrad; ventral part continuing into needle-shaped distal half slightly exceeding phallicata.

Male holotype: VIETNAM, Moc Chau, 25.x.1986, leg. János Oláh (OPC, alcohol).

Paratypes: same data as for holotype— 2 males (OPC, alcohol); same data as for holotype— 3 males (NRM, alcohol).

Distribution: Vietnam.

Etymology: Monga , from the Vietnamese human minority Mong, name designated their homeland from where the species was collected.

Figures

FIGURES 10 – 12. Paduniella monga, new species, male holotype. 10 — genitalia, lateral; 11 — genitalia, ventral; 12 — phallic apparatus, lateral. Scale bar = 0.2 mm, refers to all figures.