The Indo-Australian weevil genus Platytenes Pascoe, 1870 (Coleoptera: Curculionidae: Cryptorhynchinae)

The formerly monotypic weevil genus Platytenes Pascoe (Coleoptera: Curculionidae: Cryptorhynchinae: Cryptorhynchini: Cryptorhynchina) as treated here, includes two commonly encountered and broadly distributed species in the eastern Indo-Australian region. Label data indicate that both species are associated with semicultivated betel palm (Areca catechu L., Arecaceae) and human mediated dispersal is suggested to have influenced their present-day distribution. Herein, we provide a diagnosis for Platytenes and redescribe its type species, P. varius Pascoe. We also describe P. occultus Setliff and Larson, a new species from the Solomon Islands. New host and locality records are provided, including the first records of the genus occurring on Ambon Island, the Bismarck Archipelago, D’Entrecasteaux Islands, and many previously unreported localities on New Guinea. A full bibliography, key to species, and distribution map for the genus are also provided

First record of the agave snout weevil, Scyphophorus acupunctatusGyllenhal (Coleoptera: Curculionidae: Dryophthorinae), in Puerto Rico

The agave snout weevil, Scyphophorus acupunctatus Gyllenhal (Coleoptera: Curculionidae: Dryophthorinae), is reported from Puerto Rico for the first time. It was collected on feral sisal, Agave sisalana Perrine (Agavaceae), in the Guánica Dry Forest Reserve in the southwestern part of the island

Nothotragopus tuberosus

Nothotragopus tuberosus (Boheman) (Fig. 2–3, 10, 14–17) Tragopus tuberosus Boheman, in Schönherr 1844: 428 [description]; Lea, 1913: 466 [notes]. Nothotragopus tuberosus (Boheman), Zimmerman 1992: 282 Plate 445.1 and 445.2. [transferred and illustrated]; Zimmerman 1994: 657 [redescription]. Diagnosis. This species is distinguished from its congeners by the combination of its smaller size (length 7.9 mm, width 3.3 mm) and pronotum uniformly covered in dense squamae. The unmodified ventral apex of the female rostrum separates this species from N. tragopoides (Fig. 10). The truncate and smooth apex of the female tergite VIII is evenly set with numerous short stout setae (Fig. 16) and further separates it from N. zimmermani. See Zimmerman (1994: 657) for redescription. Type material examined. Holotype: 1 ♀. ‘‘N.H./Hope 184 N. Holl./19, NG [on underside]/ Tragopus tuberous /Specimen figured, ECZ.’’ [UMO]. Other material examined. 1 ♀. [formerly a syntype of Cyamobolus tragopoides Heller]: ‘‘ Java /ex. coll. Felsche. / Paratypus [sic], Cyamobolus tragopoides Hellr. ’’ [NHML]. 210 Dubious material. Male provisionally determined to species: 1 Oi. [formerly a syntype of Cyamobolus tragopoides Heller]: ‘‘ P.F. Sijthoff., Preanger, Java /1912, 44/ Paratypus [sic], Cyamobolus tragopoides Hellr. 39/ Syntypus / Cyamobolus, tragopoides m.i.l, Heller det. 1939’’ [DEI]. I tentatively assign this male to N. tuberosus based on similarity of the dorsal vestiture and smaller, less robust facies.Published as part of Setliff, Gregory P., 2008, Review of the Indonesian GenusNothotragopusZimmerman (Coleoptera: Curculionidae: Cryptorhynchinae), pp. 203-214 in The Coleopterists Bulletin (Basel, Switzerland) (Basel, Switzerland) 62 (2) on pages 203-214, DOI: 10.1649/1057.1, http://zenodo.org/record/536983

Cyamobolus tragopoides Heller 1940

Cyamobolus tragopoides Heller 1940: 102. Diagnosis. This species is characterized by an abrupt anteapical process on the ventral surface of the female rostrum (Fig. 11) and unique scales on the dorsum that are large and individually distinct, with scales not overlapping or forming dense mats of squamae as in its congeners. Additionally, the apex of female tergite VIII is truncate, crenulate and sparsely set with short stout setae (Fig. 20), whereas the apical margin of tergite VIII is smooth in its congeners. Redescription. Adult habitus. Length 9.0 mm, width 3.8 mm. Integument black, antennae and tarsi reddish-brown; dorsum covered in densely distributed, large (visible under low magnification), individually distinct, circular prostrate scales; scales yellowish-brown, dorsal structure complex with thin, elevated rim-like margins and radial ridges on dorsal surface. Vestiture of dorsum sparse, forming small patches allowing cuticle to show through, resulting in slightly mottled appearance. Pleura, legs, and venter densely clothed in decumbent, elliptical scales, interspersed with longer semierect scales on legs. Head. Rostrum as long as pronotum; weakly arcuate; with abruptly raised process at apical one-fourth on ventral surface (Fig. 11). Antennae inserted just beyond middle of rostrum; scape not reaching eye; club ovate, subequal in length to funicular articles 1 + 2. Thorax. Pronotum as broad as long; fine medial carina distinct for entire length of pronotal disk; shiny granules on lateral sides of pronotum large, closely approximated. Ceiling of prosternal canal and mesosternal receptacle glabrous, lateral margins and sides squamose. Mesosternal receptacle widely open. Scutellum small, subquadrate, strongly protruding. Elytra and pronotum strongly convex in lateral view. Granules on elytra regular, large, shiny, each bearing one long decumbent seta; humeri slightly produced but elytra not significantly wider than pronotum. Elytral punctures large, shallow; not obscured by squamae; each with single large scale at its center. Interval 3 with granulate process, elevated above other intervals at short distance from base and terminating at elytral declivity. Protibia with short, decumbent, hair-like setae on ventral margin. Hind femur only slightly exceeding elytral apices. Female terminalia. Tergite VIII longer than broad, posteriorly truncate, crenulate, with sparse, stout setae arising submarginally on ventral and dorsal surfaces (Fig. 20). Sternite VIII with apical plate tapering at base (Fig. 21). Remarks. Examination of the syntypic series of this species revealed that the type series originally consisted of three closely related but distinct species. Two specimens (1 ♀, NHML, 1 Oi, DEI) are conspecific with N. tuberosus. One specimen (♀, SMTD) is designated below as the lectotype for N. tragopoides. The two remaining syntypes (1 ♀, 1 Oi, SMTD) belong to a new species described 212 below. All male associations mentioned here are tentative. Adding to the confusion, the type series of N. tragopoides was labeled in an unusual fashion, which has some bearing on the selection of a lectotype. Of the five type specimens examined, one is labeled ‘‘typus,’’ one is labeled ‘‘ paratypus,’’ two are labeled ‘‘ syntypus,’’ and one has both ‘‘paratypus’’ and ‘‘syntypus’’ labels affixed. The syntype labels do not appear to be in Heller’s handwriting and were possibly later additions. Following Article 73.2.1 and recommendation 73F of the International Code of Zoological Nomenclature (ICZN 1999), all specimens of the type series are to be considered syntypes. Since the syntypic series is comprised of specimens belonging to three different species, a lectotype must be designated to preserve nomenclatural stability and serve as the sole reference standard for the species. I have selected the unique female specimen labeled ‘‘typus’’ in Heller’s handwriting as the lectotype for the species. Unfortunately, no other member of the type series is conspecific with the lectotype. Type material examined. Lectotype (new lectotype designation): 1 ♀. ‘‘ Java, Surbaja [Soerabaya in Heller’s description (1940: 103)]/4966/Typus, Cyamobolus tragopoides H.’’ [SMTD; see N. tuberosus and N. zimmermani for other specimens previously attributed to this species]. One specimen, reported in Heller (1940) from Takoean collected by C. F. Drescher, was not found.Published as part of Setliff, Gregory P., 2008, Review of the Indonesian GenusNothotragopusZimmerman (Coleoptera: Curculionidae: Cryptorhynchinae), pp. 203-214 in The Coleopterists Bulletin (Basel, Switzerland) (Basel, Switzerland) 62 (2) on pages 203-214, DOI: 10.1649/1057.1, http://zenodo.org/record/536983

Asytesta maura Pascoe. Unfortunately 1865

Asytesta maura Pascoe (Figures 96–97) Faust (1898: 161) was the first to suspect that A. maura did not belong in Asytesta, citing Pascoe’s original description of the tibiae. This species has longitudinally ridged tibiae, very coarse punctation, large conical granules dorsally, and a row of fine sclerolepidia on the anapleural margin of the metepisternum. The species also lacks a corona on the vertex of the head, internal flanges on the protibia, and elevated prominences on the third elytral intervals. All of these conditions separate A. maura from Asytesta and all other crowned weevils. I have compared Pascoe’s type specimen with type material of Microporopterus paucus Heller and determined that the two species are congeneric. Thus, I transfer A. maura to that genus: Microporopterus maura (Pascoe) new combination.Published as part of Setliff, Gregory P., 2012, 3462, pp. 1-125 in Zootaxa 3462 on page 2

First record of the agave snout weevil, \u3ci\u3eScyphophorus acupunctatus\u3c/i\u3e Gyllenhal (Coleoptera: Curculionidae: Dryophthorinae), in Puerto Rico

The agave snout weevil, Scyphophorus acupunctatus Gyllenhal (Coleoptera: Curculionidae: Dryophthorinae), is reported from Puerto Rico for the first time. It was collected on feral sisal, Agave sisalana Perrine (Agavaceae), in the Guánica Dry Forest Reserve in the southwestern part of the island

Nothotragopus zimmermani Setliff 2008, new species

Nothotragopus zimmermani Setliff, new species (Figs. 6–7, 12, 22–25) Diagnosis. This species differs from its congeners by the combination of its larger size (length 9.5 mm, greatest width 4.1 mm), unmodified ventral apex of the female rostrum (Fig. 12), pronotum and elytra with densely matted squamae interrupted by symmetrical glabrate patches (Fig. 7), and the apex of the female tergite VIII strongly emarginated, smooth, and set with short, stout setae on either side of medial indentation (Fig. 24). Description. Adult habitus. Length 9.5 mm, width 4.1 mm. Integument black, antennae and tarsi reddish-brown; dorsum covered in small, densely distributed, circular, prostrate scales; scales flocculent, closely appressed into dense mats that obscure cuticle except in glabrate patches. Dorsum with occasional iridescent green scales, very sparsely distributed, mostly obscured by brownish squamae, can only be seen under high magnification. Vestiture patchy; pronotal disk with pair of large glabrate patches on posterior margin, irregular circular patch on lateral sides of pronotum; elytra with median basal patch extending almost to elytral declivity, irregular circular patch on lateral anapleural margin of elytra. Pleura, legs, and venter densely clothed in brown, semierect elliptical scales, interspersed with longer, pale, semierect scales on legs. Head. Rostrum arcuate, as long as pronotum. Antennae inserted slightly beyond middle of rostrum; scape not reaching eye; club ovate, shorter than funicular articles 1 and 2 combined. Thorax. Pronotum slightly broader than long; fine medial carina visible at anterior margin and again at middle of pronotal disk; arrangement of shiny granules on lateral sides of pronotum confused. Ceiling of prosternal canal and mesosternal receptacle glabrous, lateral margins and sides of canal squamose. Mesosternal receptacle widely open. Scutellum small, subcordate, strongly protruding. Elytra and pronotum strongly convex in lateral view; granules on elytra irregular, each bearing one long, decumbent seta; humeri slightly produced but elytra not significantly wider than pronotum; elytral punctures large, shallow, mostly obscured by squamae except in patchy areas. Interval 3 with multiple rows of granules, elevated above other intervals at a short distance from base and terminating at elytral declivity; interval 2 likewise slightly raised and granulate, but to lesser extent than interval 3, elevated more toward midline. Protibia with long, erect, hair-like setae on ventral margin. Hind femur exceeding well beyond elytral apices. Female terminalia. Tergite VIII longer than broad, moderately curved ventrad, apex smooth, strongly emarginate at center, set with short stout setae arising submarginally on ventral and dorsal surface on either side of indentation (Fig. 24). Type material examined. Holotype: 1 ♀. [formerly a syntype of Cyamobolus tragopoides Heller]: ‘‘ Mt. Guntur Garoet, West Java 1,350 m., Overbeck leg/1934, 8/ Syntypus’ ’ [SMTD]. Dubious material. Males provisionally determined: 1 Oi. [formerly a syntype of Cyamobolus tragopoides Heller]: ‘‘Leg. H. Lucht, K. O. Blawan [Plawan in Heller 1940: 103], Idjen-Plateau, Java, 900–1,500 m., I. IX. 1934 /Hell FCD 50/1939, 16/ Syntypus’’ [SMTD]. 1 Oi. ‘‘E. Java, SW Madiun, Gn. Lawu, Sarangan, Cemara Sewa/ 1,800 –2,200 m. 11–12. VII. 2003 leg A. Riedel’’ [MZB]. 1 Oi. ‘‘Bremi, 900– 1,900 m. 16. VII. 2003, leg. A. Riedel/E. Java, SE Probolinggo, Gn. Argopuro’’ [ARC]. 1 Oi. ‘‘12/9/20, Tengger, U. D. v. L [?], Voogi [?] [label illegible] /[DEI]. I tentatively assign these males to N. zimmermani based on the similarity of the patchy dorsal vestiture and robust facies; male specimens are excluded from the type series. Etymology. The specific epithet is a patronym honoring the late E. C. Zimmerman, expert on Oceanic and Australian Curculionoidea and author of Nothotragopus.Published as part of Setliff, Gregory P., 2008, Review of the Indonesian GenusNothotragopusZimmerman (Coleoptera: Curculionidae: Cryptorhynchinae), pp. 203-214 in The Coleopterists Bulletin (Basel, Switzerland) (Basel, Switzerland) 62 (2) on pages 203-214, DOI: 10.1649/1057.1, http://zenodo.org/record/536983

Nothotragopus tragopoides Setliff 2008, new combination

Nothotragopus tragopoides (Heller), new combination (Figs. 4–5, 11, 18–21)Published as part of Setliff, Gregory P., 2008, Review of the Indonesian GenusNothotragopusZimmerman (Coleoptera: Curculionidae: Cryptorhynchinae), pp. 203-214 in The Coleopterists Bulletin (Basel, Switzerland) (Basel, Switzerland) 62 (2) on pages 203-214, DOI: 10.1649/1057.1, http://zenodo.org/record/536983