Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awduron: Frank W. Pelsue, Jr., Zhang, Runzhi
Fformat: Recurso digital
Iaith:
Cyhoeddwyd: Zenodo 2000
Pynciau:
Mynediad Ar-lein:https://doi.org/10.5281/zenodo.15700378
Tagiau: Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
Tabl Cynhwysion:
  • <p><b><i>Curculio richardi</i> Pelsue and Zhang, New Species</b></p><p>Figs. 31–32, 80–81</p><p>HOLOTYPE. China. Hainan: Male [China/Hainan/ Jiansengling /750 M/ 23 March 1980 / S. Wang] (IZAS).</p><p>PARATYPE. (1) China. male [China/ S. Kiangsi (Jiangxi)/ Wong­sa­shue / 08 July 1936 / J. L. & M. Gressitt] (BPBM).</p><p><b>Recognition Characters.</b> Small­sized, oval; derm piceous; scape as long as funicular segments 1–6; antennal club as long as funicular segments 5–7; mesosternal intercoxal process feeble; dorsal vestiture of mixed narrow, elongate, testaceous and short, clavate, white scales giving a salt and pepper appearance.</p><p><b>Description.</b> <i>Male:</i> Length 3.0 mm. Width: 1.6 mm. <i>Head:</i> Moderate­sized; punctures small, oval, glabrous; ventral of rostrum, macula of short, clavate, white scales with truncate apices; eyes large, rounded, finely faceted; frons narrow, 0.15 as wide as head across eyes, glabrous. <i>Rostrum:</i> Length: 1.7 mm; 0.56 as long as body; subcylinderical; three dorsal carinae extending from frons merging together before antennal insertion, elongate, oval, punctures set between the carinae; smooth beyond antennal insertion with small sparse punctures; almost straight to antennal insertion, gradually arced to apex; scrobe ventral; scape inserted in apical half. <i>Antennae:</i> Length: Scape 0.80 mm; Funiculus: segment one 0.2 mm, two 0.2 mm, three 0.1 mm, four 0.1 mm, five 0.1 mm, six 0.1 mm, seven 0.075 mm, club 0.3 mm; funicle 0.875 mm; scape 0.91 as long as funicle; derm fuscous; clothed with semierect testaceous seta­like scales toward apex of each segment; club oval, compact, with short, fine pile, as long as funicular segments 5–7. <i>Thorax:</i> Length: 0.9 mm. Width: 1.2 mm; 1.75 as long as broad; dorsally base almost as broad as elytra, tapering to apical constriction; disc in lateral view slightly convex; punctures small, ridged, one or more setae like scales originating from puncture; scales on disc mixed with narrow, elongate, testaceous and short, clavate, white scales with truncate apices, laterally broader, clavate, truncate, white scales; base somewhat sinuate; mesosternal intercoxal process feeble, clothed with clavate, white scales; scutellum medium­sized, slightly longer than broad, clothed with narrow, elongate, white scales; mesepimeron dorsally clothed with dense, clavate, truncate, white scales, becoming sparser towards the venter; mesepisternum clothed with broader, clavate, truncate, white scales; metepisternum narrow, broadening apically, clothed with narrow, elongate, white scales; procoxae clothed with short, clavate, white scales. <i>Elytra:</i> Length: 1.5 mm. Striae narrow, rather deep, with small punctures; shallow scutellar declivity; humeri moderate, rounded; intervals broad, flat with confused pattern of narrow, elongate, testaceous and broader, clavate, white scales; disc flat in lateral view; crosshatched setae semierect not prominent and testaceous. <i>Legs:</i> Length of hind femur 1.5 mm; exceeds apex of abdomen by width of femoral club; tooth medium­sized; pro­ and mesofemoral tooth small; hind femoral base narrow broadening to moderate­sized club; clothed with narrow, elongate, white scales; tibiae almost straight; metauncus small, pro­ and mesouncus medium as long as tarsal claw. <i>Abdomen:</i> Sternite 1 longer than 2 behind coxal cavity; sternite 2 ascending to 3, sternites 3 and 4 equal in length as long as 5 combined; sternite 5 with median declivity; all sternites clothed with short, clavate, white scales, becoming more elongate on sternite 5. <i>Pygidium:</i> Moderate, clothed with elongate, white, seta­like scales. <i>Genitalia:</i> Median lobe of aedeagus 0.3 mm in length, 0.2 mm in width, dorsally margins narrowed basally expanding to bifurcate brush like appendages; base of aedeagal apodeme highly sclerotized 0.9 mm in length (Figs. 80–81).</p><p><b>Distribution.</b> China: Hainan Province, Jianfengling, 750 m, 23 March 1980, S. Wang; S. Kiangsi (Jiangxi), Wong­sa­shue, 8 July 1936, J. L. & M. Gressitt.</p><p><b>Remarks.</b> This species distinct from remainder of group and can be distinguished by definitive male genitalia. Named for senior author’s son Richard.</p>