Cyphocoleus globulicollis Fauvel, 1882
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publication ID |
https://dx.doi.org/10.3897/dez.63.10241 |
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publication LSID |
lsid:zoobank.org:pub:45552C4E-C6AE-4F94-9998-0C2D492333B3 |
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persistent identifier |
https://treatment.plazi.org/id/F8E281ED-3BCC-B38D-A82F-3AEDEB19805A |
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treatment provided by |
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scientific name |
Cyphocoleus globulicollis Fauvel, 1882 |
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18. Cyphocoleus globulicollis Fauvel, 1882 View in CoL Figures 91-98 View Figures 86–98 , 110 View Figures 105–112 , 117 View Figures 113–120 , 125 View Figures 121–125 , 139 View Figures 137–140 , 141-152 View Figures 141–160
Diagnosis
(n = 5). Beetles comprising this species (Fig. 125 View Figures 121–125 ) exhibit a pronotal disc with distinct transverse wrinkles bordered laterally by deep parasagittal impressions, and a body surface covered with a well-developed pelage of evident, elongate microsetae. These setae are especially visible on the vertex and frons, even occurring between the ommatidia on the surface of the slightly convex eyes: each eye with 12-13 ommatidia across the horizontal diameter. The elytra are broadly ovoid, with intervals 3-7 very convex, subcarinate basally. The elytral surface is glossy, with only very shallow transverse sculpticells visible over portions of the surface. Standardized body length 4.8-6.7 mm.
Description.
Head capsule parallel-sided, appearing “reduviidoid”, the small, little-convex eyes only slightly extended beyond the genal profile in dorsal view; neck only slightly depressed medially, genae only indistinctly narrowed laterally before pronotal front angles; frons with narrow median longitudinal crest surrounded by flattened, rugose, lateral areas that lie mesad the deep, sinuous frontal grooves; frontoclypeal suture reduced, difficult to trace, frontal grooves apparently extended onto clypeus; mandibles elongate, length 2.1 × distance from antennal articulatory socket to anterolateral margin of labrum; antennae moderately elongate, scape length 2.5 × maximal breadth; gena setose, subgenal seta present. Pronotum with front angles protruded, angulate, the angle right to slightly acute; lateral marginal carinae extended to base, slightly sinuate just before depressed median base, the marginal bead across base irregularly interrupted by convex basal wrinkles of disc; median longitudinal impression deep and broad, separating discal wrinkles, extended nearly to anterior margin but deepest at juncture with transverse anterior impression; anterior transverse impression a depressed oblique border defining an irregularly surfaced anterior callosity bearing distinct longitudinal wrinkles; proepisternum bulging, distinctly extended beyond marginal bead in dorsal view; proepisternal surface dimpled, the irregularities mostly short vertical wrinkles near dorsal margin with proepipleuron, short longitudinal wrinkles ventrally; prosternum deeply depressed medially from pronotal anterior marginal bead to prosternal process, process broadly, slightly depressed on ventral face, posterior face with depressed ventral triangle and rounded medial ridge above. Elytra broadly ovoid, parascutellar region depressed and inflexed, basal margin sinuously subangulate basad stria 4, then broadly extended and posteriorly curved; sutural intervals elevated and fused into median callosity on middle of disc, intervals 3, 5, and 7, and to a lesser degree intervals 4 and 6, subcarinate, very convex on elevated basal portion of disc immediately posterad apex of parascutellar striole; striae deep, not visibly punctate except in extremely clean specimens where very small elongate punctulae can be seen in the deepest portion of the striae, these elongate depressions separated from each other by twice their length or more; parascutellar seta present, articulatory socket distinctly papillate, very upraised; dorsal elytral setae absent; lateral elytral setae arranged as 6 + 6, the articulatory sockets distinctly papillate; both subapical and apical elytral seta present, the articulatory socket for apical seta much smaller, not papillate; subapical sinuation distinctly developed, lateral portion of concavity joined to depressed lateral margin in tightly rounded curve; elytral apices rounded, slightly separated by shallow invagination at fused suture. Mesepisternum impunctate; metepisternal dorsal length 1.1 × diagonal width; metasternum with deep, circular median fossa at base of metasternal process. Abdomen with apical margin of apical ventrite shallowly concave medially in both males and females; males with one seta each side of apical margin of apical ventrite, females with two setae each side. Legs moderately elongate; metacoxae bisetose; mt1 length/tibial length = 0.24; mt4 length to apex of outer lobe 2.0 × median tarsomere length, 3-4 ventrolateral setae each side. Microsculpture on vertex densely transverse, shallow, difficult to trace on the glossy surface; higher areas between pronotal transverse wrinkles glossy, depressions of wrinkles and lateral flanges outside parasagittal groove covered with granulate isodiametric sculpticells, the surface matte; pelage well developed, head capsule, pronotum and elytra with densely distributed, evident microsetae, the setae on each elytral interval arranged in two irregular, longitudinal rows; prosternum with elongate pelage setae, meso- and metasternum largely glabrous, and meso- and metacoxae, and abdominal ventrites 2-3 medially with very short microsetae. Coloration of body dorsum piceous; thoracic sternites and elytral epipleura piceous, abdominal ventrites dark rufous; femora and tibiae rufopiceous, their articulation rufoflavous, tarsi rufobrunneous.
Male genitalia (n = 21). Male aedeagal median lobe variably robust, from gracile (Figs 144 View Figures 141–160 , 136 View Figures 126–136 ) to more robust (Figs 147 View Figures 141–160 , 151 View Figures 141–160 , 152 View Figures 141–160 ), dorsoventral breadth at midlength ranging from 0.16-0.22 × distance from tip to base of closed basal bulb (Figs 141-152 View Figures 141–160 ); lobe apex little extended beyond ostial opening, rounded; internal sac membranous without melanized microtrichia, length 1.5 × breadth (Fig. 147 View Figures 141–160 ). The substantial variation in robustness of the aedeagi for males assigned to Cyphocoleus globulicollis is not associated with geography, as a male from Mt. Dzumac Rd. in the southern portion of the range (Fig. 150 View Figures 141–160 ) varies little from the male from Aoupinié at the northern margin (Fig. 141 View Figures 141–160 ). Also two males from Mt. Koghi vary substantially in robustness (Figs 151 View Figures 141–160 , 152 View Figures 141–160 ). All of these specimens exhibit the glossy cuticle with well-developed pelage of microsetae characteristic of Cyphocoleus globulicollis .
Female reproductive tract (n = 3). Bursa copulatrix columnar, distance from base of r gonocoxites to spermathecal basal sclerite 3 × maximum breadth (dissection compressed under cover slip) (Fig. 110 View Figures 105–112 ); bursal walls thin, translucent, lumenal surface smooth except for thin band of very fine setae over part of surface at midlength; basal gonocoxite with apical fringe of five to six setae (Fig. 117 View Figures 113–120 ); apical gonocoxite broadly triangular with pointed apex and two lateral ensiform setae.
Type.
Lectotype female (IRSN) hereby designated: Ile des Pins [and] Mt. Mou (two separate white labels glued to larger pink label) Coll. R. I. Sc. N. B. / Nou velle Calédonie / ex. coll. Fauvel / rec. Deplanche // type (pink label with black border) // Coll. et det. A. Fauvel / Cyphocoleus 1882 / globulicollis Fauv. // LECTOTYPE / Cyphocoleus / globulicollis / Fauvel 1882 (black-bordered red label.
Nomenclatural note.
Fauvel (1882: 250) described this species listing specimens from Mt. Mou and Île des Pins. The lectotype specimen has two labels glued to the pink IRSN museum card (above), one specifying “Île des Pins," the second "Mt. Mou." As these two localities are impossible to reconcile geographically on a single specimen, and as numerous other specimens of this species are recorded from Mt. Mou and vicinity, Mt. Mou is designated type locality, with Île des Pins considered to represent an unverified locality for this species.
Distribution and habitat.
This species is distributed in the southern two-thirds of Grande Terre, being known from Aoupinié on the north to Montagne des Sources on the south (Fig. 139 View Figures 137–140 , Suppl. material 3). Beetles have been found in leaf litter, and via the application of pyrethrin fog to trunks and logs. The well-developed pelage of microsetae is associated with a deep layer of environmental patina developing on these beetles.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.