Micrillus intermedius (CAMERON 1936) Assing, 2013
publication ID |
https://doi.org/ 10.5281/zenodo.5301289 |
DOI |
https://doi.org/10.5281/zenodo.6512332 |
persistent identifier |
https://treatment.plazi.org/id/1974879E-FFE1-FFCE-FF04-E920FD5FFCAC |
treatment provided by |
Marcus |
scientific name |
Micrillus intermedius (CAMERON 1936) |
status |
comb. nov. |
Micrillus intermedius (CAMERON 1936) View in CoL , nov.comb.
( Figs 23-28 View Figs 23-28 , Map 3 View Map 3 )
Scimbalium intermedium CAMERON 1936a: 43 .
Type material examined Lectotype, present designation: "Malaya Kuala Lumpur / M.Cameron. Bequest. B.M. 1955-147. Syntype / Lectotypus Scymbalium intermedium Cameron, desig. V. Assing 2013 / Micrillus intermedius (Cameron) , det. V. Assing 2013" (BMNH) . Paralectotypes: 4: same data as lectotype ( BMNH) ; 1: " Scimbalium intermedium Cam . Type / Ex F.M.S. Museum. B.M.1955-354 / Syntype" ( BMNH); 1: " Malaya, Kuala Lumpur / Scimbalium intermedium Cam / co-type / Coll. W. Champman in Coll. P. Griveau" ( MHNG) .
Additional material examined: Laos: 14exs., Udomxaiprovince, Pak Beng , 19°54'N, 101°08'E, 450 m, 18.-27.V.2001, leg. Kolibáþ ( NHMB, cAss) GoogleMaps ; 35 exs., Vientiane province, Vang-Vieng, 18°55'N, 102°27'E, 300 m, 10.-15.V. & 1.-6.VI.2001, leg. Kolibáþ ( NHMB, cAss). GoogleMaps Thailand: 1 ex., Chiang Mai province, Thaton , 20°04'N, 99°22'E, 450 m, riverside, at light, 22.VII.2006, leg. Mendel & Barclay (cAss) GoogleMaps ; 4, 2, Bangkok ( BMNH, cAss) ; 1, " Siam " ( BMNH). Locality not identified: 5 exs., "F. [T? J?] Mo. S." ( BMNH) .
Comment: The original description is based on an unspecified number of syntypes from " Selangor: Kuala Lumpur " ( CAMERON 1936a). The male syntype from the Cameron collection at the BMNH is designated as the lectotype.
Redescription: Body length 4.2-5.0 mm; length of forebody 2.3-2.6 mm. Habitus as in Fig. 23 View Figs 23-28 . Coloration: body pale reddish, with the head brown to blackishbrown; legs and antennae dark-yellow.
Head ( Fig. 24 View Figs 23-28 ) approximately 1.05 times as long as broad, convex in cross-section, and with weakly marked posterior angles; dorsal surface with sparse punctation and with shallow, but distinct transverse microsculpture; eyes approximately 0.7 times as long as distance from posterior margin of eye to neck. Antenna approximately 1.8 mm long and slender, preapical antennomeres noticeably oblong.
Pronotum ( Fig. 24 View Figs 23-28 ) approximately 1.2 times as long as broad and 1.05 times as broad as head, distinctly tapering posteriorly, and flattened, i.e., weakly convex in cross-section; dorsal surface with fine micropunctation, without appreciable macropunctation.
Elytra ( Fig. 24 View Figs 23-28 ) 0.95 times as long as pronotum; punctation very dense and fine. Hind wings fully developed.
Abdomen with rather dense and fine punctation; interstices with shallow microsculpture.
: tergite VIII distinctly oblong and with strongly convex posterior margin; sternite VIII ( Fig. 25 View Figs 23-28 ) approximately 1.3 times as long as broad, posterior excision deep and narrow, its depth approximately 0.4 times the length of sternite; aedeagus ( Figs 26-28 View Figs 23-28 ) 0.45-0.50 mm long, distinctly asymmetric in ventral view; ventral process laterally compressed, furnished with numerous short marginal setae; dorsally with strongly apical sclerotized structure (modified dorsal plate?) of distinctive shape; internal sac with large and curved sclerotized structure, this structure apically with finger-shaped processes.
Comparative notes: In size, coloration, and other external characters, M. intermedius is similar to M. nigriceps , but distinguished by the male sexual characters. Its closest relative is M. sutteri (see the following section).
Distribution: Micrillus intermedius is currently known from Malaysia, Thailand (new record), and Laos (new record) ( Map 3 View Map 3 ).
NHMB |
Natural History Museum Bucharest |
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.
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Genus |
Micrillus intermedius (CAMERON 1936)
Assing, V. 2013 |
Scimbalium intermedium
CAMERON M 1936: 43 |