Scaphodius forcipatus ( BALY 1877) Schöller, 2009

Schöller, M., 2009, Revision of the New Caledonian genus Scaphodius CHAPUIS (Coleoptera: Chrysomelidae: Cryptocephalinae), Linzer biologische Beiträge 41 (1), pp. 767-801 : 787-788

publication ID

https://doi.org/ 10.5281/zenodo.5276273

persistent identifier

https://treatment.plazi.org/id/7425174F-FFFC-F758-FFD9-14E2A9C1FC42

treatment provided by

Carolina

scientific name

Scaphodius forcipatus ( BALY 1877)
status

comb. nov.

Scaphodius forcipatus ( BALY 1877) comb.nov.

Nyetra forcipata BALY 1877: 33.

T y p e s p e c i m e n s. Lectotype Nyetra forcipata BALY, 1877 (male, BMNH): / N. Caled. Marseul (ink) [white] / Type (ink) [light blue] / Type H.T. [round white label with red margin] / Baly Coll. [white] / Nyetra forcipata Baly New Caledonia (ink) [light blue] / (my label) Lectotypus Nyetra forcipata Baly, 1877, des. Matthias Schöller [red] /.

A lectotype was designated here in order to ensure the name’s proper and consistent application.

A d d i t i o n a l s p e c i m e n s s t u d i e d. 1♀, DEIC: N. Caledon., Montrouzier, Marseul, Coll. Kraatz, Scaphodius striaticollis ? Clavareau det. ; 13, 1♀, ZMHB: Nyetra forcipata Baly .

D i a g n o s i s.Alarge specieswith pronotum setose on disc, rusty brown with margins lighter brown, elytra setose, elytral puncturation completely confused, interstices smooth, setose, lateral two furrows on elytra hardly perceptible, rest of elytra even, apex of male clypeus extended, narrow with acute tip.

T e r r a t y p i c a. Nouvelle-Calédonie.

D e s c r i p t i o n o f l e c t o t y p e (Figs32,51)

H a b i t u s. Body large, shape cylindrical ( Fig. 51 View Figs 49-52 ), pronotum wider than base of elytra, dorsum with white adpressed setae, size [mm]: length 4.4, width of elytra at humeri 2.6, length of pronotum 1.5, width 2.7, length of elytra 2.5.

H e a d. Large, hypognathous, sunk into thorax up to eyes, puncturation dense and coarse, eyes evenly convex, relative small, distance between upper lobes of eyes 2.8 times eye length; circular, no canthus; antennae inserted near lower margin of eyes, antennae with all segments elongate, first segment very long, as long as following three segments combined, except for short segment 2, and 7-11 broadest, setae present on antennomeres 5-11, dense on seventh to eleventh, (left antenna with 7 segments only) segments with circular sensillate depressions, interantennal space five times diameter of antennal socket; clypeus narrow, elongate, covered with short white setae, apically with long setae; frontoclypeal suture reduced, without a pair of anterior pits, front edge of head lobate, produced, labrum triangular, hyaline, situated behind extension of clypeus, last maxillary and labial palps truncate; mandible as in Fig. 32 View Figs 24-32 , with two large teeth and densely setose; apical segment of labial palp shaped as maxillary palp.

T h o r a x. Prothorax: pronotum evenly curved at sides and attenuate towards apex from basal third onwards, pronotum broadest 0.3 mm apically of base, approximately as wide as long and anterior half narrower as basally, without impressions; apical and lateral sides bordered, lateral margins even, carinate, completely visible in dorsal view, hind edges rounded, lobate, more explanate and slightly bend upwards, anterior margin simple, convex, basal margin unbordered, i. e. toothed, base of pronotum extended at middle, notched; disc with microsculpture, puncturation regularly dense and fine, without lateral depressions, hind corners with setiferous pore, front edge of pronotum ridged, pronotum wider than elytral base; intercoxal prosternal process wide, elongate, narrowing towards apex, as wide as coxal cavity, front margin feebly convex with a narrow carina, hind margin bearing a pair of acute posterolateral projections between coxae, coxal cavity closed, hypomeron punctate; procoxal cavity wider than long, prothorax densely covered with coarse punctures laterally, more sparse at centre, front margin straight, lateral margins swollen, hind margin deeply convex ( Fig. 54 View Figs 53-58 ); mesothorax: scutellum triangular, slightly longer than wide, basally straight, rounded at apex, smooth with few micropunctures, not elevated; mesosternum distinct between coxae, broad, apex as wide as apex of prosternum i. e. mesosternal intercoxal process as wide as prosternum; elytra 1.7 X length of pronotum, basally broadest then gradually attenuate, punctures small and completely confused, but surface with nine furrows, interstices of the lateral ones convex, plus a short scutellar furrow, basal margin of elytra simple, elytra with prominent humeri, elytra without lateral transverse impressions, elytra regularly oblate, reaching mid of pygidium; epipleuron short, reaching mid of elytron, strongly attenuate behind humerus, irregularly punctured; metathorax: metasternum prominent, moderately convexly swollen ventrally, legs rusty brown, short, all femora of similar size, without ventral keel, tibiae almost straight, tibial spurs absent, external edge of tibia excavate, fringe of setae on excavation sparse, all tarsal segments elongate, in male first segment of fore- and mid tarsi widened, hind tarsi missing, dorsally convex, claws symmetrical, small, dentate.

A b d o m e n:Venterrustybrown,venterwithshortwhitesetae,intercoxalabdominal process of ventrite I broad, concave, sternite III shorter than sternites IV to VII along midline; sternite VII convex in male, apex of male abdomen without hollow; pygidium densely punctured with short white setae, regularly convex; aedeagus of non-type ( Fig. 18, 19 View Figs 14-23 ), length of the aedeagus: 1.2 mm.

D e s c r i p t i o n o f f e m a l e ( Fig. 52 View Figs 49-52 ). Coloured as male, habitus ( Fig. 52 View Figs 49-52 ); basal half of pygidium with an blunt ridge; clypeus arcuate, mandibles and labrum simple; size [mm]: length 4.0, width of elytra at humeri 2.5, length of elytra 2.7; length of pronotum 1.5, maximum width 2.5.

D i s t r i b u t i o n a n d b i o l o g y. Noinformationavailable.

N o t e. The wing of this species has been described by JOLIVET (1954).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Chrysomelidae

Genus

Scaphodius

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