Mecynostomella fusca Kimmins, 1953

Johanson, Kjell Arne, 2003, Revision of the New Caledonian genus Mecynostomella (Trichoptera, Kokiriidae), Zootaxa 270 (1), pp. 1-24 : 21-22

publication ID

https://doi.org/ 10.11646/zootaxa.270.1.1

publication LSID

lsid:zoobank.org:pub:F3A8692C-40EF-462D-BC00-235F008A4798

DOI

https://doi.org/10.5281/zenodo.5095646

persistent identifier

https://treatment.plazi.org/id/03F5102F-656F-1640-FE9A-AF8B15B7FC3F

treatment provided by

Felipe

scientific name

Mecynostomella fusca Kimmins, 1953
status

 

Mecynostomella fusca Kimmins, 1953 View in CoL

( Figs 12 View FIGURES 6­14 , 5­5 View FIGURES 1­5 , 54 View FIGURES 53­54 )

Material examined: Male holotype: N. New Caledonia, Mt. Tinchialit, 2020 ft., 22.viii­ 10.ix.1949, at light [L. E. Cheesman] ( BMNH, mounted on 3 slides) .

Diagnosis: In fusca , the forewings have a dark area densely covered by cone­shaped sensillae as in flinti . The species is easily separated from flinti and congeners by the presence of long lateral branches originating below segment X. The genitalia are unique in the undulated posterior margin of segment IX, a short segment IX, presence of lateral branches below segment X, and apex of segment X that in lateral view is wider than in flinti .

Description of the male and female is given in Kimmins (1953: 255­257). To the original description the following head characters are added: Tentorium ( Fig. 2 View FIGURES 1­5 ) with long anterior tentorium arms bearing pointed vestigial projections at dorsal margin; tentorial bridge broad, straight, with long, pointed anteromesal protuberance. Maxillary palp ( Fig. 3 View FIGURES 1­5 ) slightly shorter than labial palp ( Fig. 4 View FIGURES 1­5 ). Membrane between palp segments densely covered by dark microtrichiae ( Fig. 5 View FIGURES 1­5 ) also present on the segments. Wings ( Fig. 12 View FIGURES 6­14 ) with dark area in anal and cubital region made from densely grouped, dark sensillae. Genitalia ( Figs 51­52 View FIGURES 51­52 ) as in Kimmins (1953) but in lateral view with more setae along posterior margin of segment IX, and gonocoxite with dorsal setae ( Fig. 51 View FIGURES 51­52 ). Phallus ( Fig. 52 View FIGURES 51­52 ) similar to that of flinti, except anteriorly narrower and posteriorly wider.

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