Revision of the Neotropical species of the caddisfly genus Wormaldia McLachlan (Trichoptera: Philopotamidae)

Abstract

Wormaldia McLachlan 1865 is the 2nd largest genus in the family Philopotamidae (Trichoptera) after Chimarra Stephens 1829 and is diverse and widely distributed, with ca. 175 extant species in all biogeographic regions except the Australasian. In this monograph, 14 previously described species are recognized for the Neotropical region: W. alicia Bueno-Soria, Santiago-Fragoso, & Barba-Alvarez 2005 [Mexico]; W. arizonensis (Ling 1938) [Mexico, USA]; W. cornuta Bueno-Soria & Holzenthal1986 [Mexico]; W. dampfi Ross & King 1956 [Mexico, Nicaragua]; W. dorsata Ross & King 1956 [Mexico]; W. endonima Ross & King 1956 [Mexico]; W. esperonis Ross & King 1956 [Mexico]; W. insignis (Martynov 1912) [Peru]; W. luma Bueno-Soria & Holzenthal 1986 [Mexico]; W. matagalpa Flint 1995 [Costa Rica, Guatemala, Nicaragua]; W. palma Flint 1991 [Colombia]; W. planae Ross & King 1956 [southwestern USA, Mexico, Caribbean, Central America, and northern South America]; W. prolixa Flint 1991[Colombia]; and W. tarasca Bueno-Soria & Holzenthal 1986 [Mexico]. Also, 36 additional Neotropical species are newly diagnosed, described, and illustrated: W. andrea [Ecuador]; W. anhelitus [Central America]; W. araujoi [Ecuador]; W. aymara [Bolivia]; W. barbai [Mexico]; W. bolivari [Venezuela]; W. boteroi [Colombia]; W. buenorum [Mexico]; W. calderonae [Mexico]; W. chrismark [Panama]; W. contrerasi [Panama]; W. dachiardiorum [Colombia]; W. eberhardi [Panama]; W. flinti [Bolivia, Panama]; W. francovilla [Panama]; W. fredycarol [Costa Rica, Panama]; W. gallardoi [Costa Rica, Panama]; W. gonzalezae [Venezuela]; W. hedamafera [Costa Rica, Nicaragua]; W. imberti [Costa Rica]; W. inca [Peru]; W. isela [Mexico]; W. juarox [Costa Rica]; W. lauglo [Panama]; W. machadorum [Costa Rica, Panama]; W. maesi [Nicaragua]; W. menchuae [Guatemala]; W. monsonorum [Costa Rica]; W. navarroae [Mexico]; W. paprockevi [Costa Rica]; W. saboriorum [Panama]; W. tocajoma [Costa Rica]; W. trondi [Costa Rica, Panama]; W. tupacamara [Bolivia]; W. zunigae [Colombia]; and W. zunigarceorum [Costa Rica, Panama]. In addition, the species W. arcopa Denning 1966 from Panama is considered a junior subjective synonym of W. planae. Furthermore, new distribution records for the Neotropical region for several species are given. Diagnoses, redescriptions, and illustrations of the male genitalia of the other 14 described Neotropical species in the genus are also presented. Illustrations of the forewing and hind wing of 19 species are also given. A structural terminology for male tergum X is proposed. Finally, a key for identification of males of all Neotropical species is provided.

New species and a new genus of Philopotamidae from the Andes of Bolivia and Ecuador (Insecta, Trichoptera)

“…Despite the variation of W.imbrialis , from others in the prolixa group listed above and defined by Muñoz-Quesada and Holzenthal (2015), we note additional characters that indicate its probable inclusion in the group. All four species have similarities of tergum X and also similarities in the apical segment of the inferior appendage, including both its shape and accompanying elongate patch of short, spine-like setae.…”

“…The Central and South American species of the genus agree in general form with other species in the genus (Muñoz-Quesada and Holzenthal 2015). Wormaldia was treated comprehensively by Ross (1956), who recognized two subgenera, Wormaldia and Doloclanes and a single isolated species from the Philippines, W.recta Ulmer.…”

“…This species is similar to W.prolixa Flint, W.andrea Muñoz-Quesada & Holzenthal, and W.gallardoi Muñoz-Quesada & Holzenthal, a group of Neotropical Wormaldia that was characterized by Muñoz-Quesada and Holzenthal (2015) as having segment IX strongly acute and projecting anterolaterally, the “head” of tergum X convexly subtriangular with its apex subtriangularly widened, and the apical segment of the inferior appendage longer than the basal segment. Wormaldiaimbrialis , new species, differs from this general character assessment in that segment IX is not strongly projecting anteriorly and the apical segment of the inferior appendage is shorter than the basal.…”

“…At present, Doloclanes is considered a synonym of Wormaldia , but its status should probably be considered provisional until a more formal assessment is made. The single North American species placed in Doloclanes , W.mohri , was subsequently treated by Muñoz-Quesada and Holzenthal (2008), who considered it a member of the thryia species group of Wormaldia . However, the species rather clearly demonstrates all of the diagnostic criteria used by Schmid to recognize species of Doloclanes .…”

Two new species and a new distributional record of Alterosa (Trichoptera: Philopotamidae) from southeastern Brazil

“…Most of the Philopotaminae genera have relatively restricted distribution . Five genera are recorded in Neotropical region: Wormaldia McLachlan (1865), with about 200 species in all biogeographic regions except Australasian (50 of them occur in Neotropics); Hydrobiosella Tillyard (1924), with about 30 species in Australasia and one species from the Andes of Ecuador; the monotypic Aymaradella Holzenthal, Blahnik & Ríos-Touma (2018), restricted to the Bolivian Andes; Sortosa Navás (1918), with 20 extant species restricted to southern Chile and adjacent regions of Argentina; and Alterosa Blahnik (2005), endemic to Brazil with 39 described species (Blahnik, 2005;Muñoz-Quesada & Holzenthal, 2015;Holzenthal & Calor, 2017;Holzenthal et al, 2018).…”