Polyplectropus hollyae Chamorro & Holzenthal 2010, new species
Creators: name: Chamorro, Maria Lourdes
name: Holzenthal, Ralph W.
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Trichoptera
Polycentropodidae
Polyplectropus
Polyplectropus hollyae

description: Polyplectropus hollyae, new species   
Figs. 67, 133  
 Polyplectropus hollyae is readily distinguished from other species in the group by the presence of a simple, unilobed intermediate appendage, completely fused mesoventral processes of the preanal appendage, and by the less expanded apex of the phallic sclerite (elongate and apically produced dorsally in other species in the group). This species is most similar to P. minensium, new species based on the presence of an elongate dorsal digitate lobe on the mesoventral process of the preanal appendage, a single dorsolateral process of the preanal appendage, and small, robust endothecal phallic spines. Both species also have very similar inferior appendages.   
 Adult. Length of forewing 5–5.5 mm, n = 6. Color of head and thorax brown, legs yellowish-brown; setae on wings golden brown along costal margin with patches of grey setae interspersed along margin and on most of wing surface.   
 Male genitalia. Sternum IX in lateral view deltoid, anterior margin sinuate, posterior margin sinuate and medially produced; in ventral view rectangular, anterior margin entire, posterior margin concave. Tergum X membranous, oblong, bearing dorsal microsetae. Intermediate appendage not longer than inferior appendage, digitate, with long apical setae; in dorsal view deltoid, broadly rounded apically; in caudal view digitate, subapically with small setose lobe, directed posterolaterad. Preanal appendage tripartite; dorsolateral process elongate, originating from dorsum of mesolateral process, recurved posterad, tapering into acute apex; mesolateral process setose; in dorsal view deltoid and emarginate, in lateral view apically emarginate, deltoid overall; mesoventral process setose; in lateral view hook-like, with basal dorsal digitate lobe, ventral margin concave; in caudal view fused to form a single continuous structure and dorsal digitate lobe flanking phallocrypt laterally, ventral margin of process acute, apically bearing many sclerotized, peg-like setae. Inferior appendage bipartite with anterior basal plate not extending anterad beyond sternum IX when observed in lateral view; dorsal branch setose, in lateral view lanceolate with acute apex, subapically produced dorsad; in ventral view narrow, lateral margin slightly convex, undulate, posterior margin acute, mesal margin entire, angled, expanding posterad into ventral branch; ventral branch setose, short and basally broad, bearing acute, basal projection and bearing robust, sclerotized spines basally; in lateral view deltoid, narrowing posterodorsad; in ventral view deltoid, posteromesal margin convex, gradually converging mesally. Phallus long; dorsal phallic sclerite in lateral view cylindrical, apex oblong; apex of dorsal phallic sclerite in dorsal view obtuse; dorsolateral arm of dorsal phallic sclerite in lateral view tapering subapically; endothecal membrane with 2 stout laterally directed, medium-sized, sclerotized spines.   
 Holotype male: BRAZIL: Minas Gerais: Cachoeira do Abacaxi, Vale do Tropeiro, 20°12'16"S, 43°38'10"W, 1120 m, 7.xi.2001, Holzenthal, Amarante, Blahnik & Paprocki —(UMSP000081585) (MZUSP).   
 Paratypes. BRAZIL: Minas Gerais: Cachoeira do Abacaxi, Vale do Tropeiro, 20°12'16"S, 43°38'10"W, 1120 m, 7.xi.2001, Holzenthal, Amarante, Blahnik & Paprocki — 5 females (MZUSP).   
Distribution. Brazil.  
Etymology. We are pleased to name this species in honor of the late Ms. Hollis Williams, Museum Specialist, Smithsonian Institution for her hospitality and kindness during the senior author’s tenure at that Institution.
description: Published as part of Chamorro, Maria Lourdes & Holzenthal, Ralph W., 2010, 2582, pp. 1-252 in Zootaxa 2582 on pages 136-138