Macrostemum centrotum Navás, 1917

Uy, Christine Jewel C., Malicky, Hans & Bae, Yeon Jae, 2018, Review of the filter-feeding caddisfly subfamily Macronematinae (Trichoptera: Hydropsychidae) in tropical Southeast Asia, Raffles Bulletin of Zoology 66, pp. 664-703 : 672-673

publication ID

https://doi.org/ 10.5281/zenodo.5360916

publication LSID

lsid:zoobank.org:pub:5AC21789-E1C1-4B48-813D-667D7638893C

DOI

https://doi.org/10.5281/zenodo.5456997

persistent identifier

https://treatment.plazi.org/id/862D87A3-FFBD-FF97-FC13-A882FBC37A0C

treatment provided by

Valdenar

scientific name

Macrostemum centrotum Navás, 1917
status

 

Macrostemum centrotum Navás, 1917 View in CoL

( Figs. 60–64 View Figs )

Macrostemum centrotum Navás, 1917: 403 View in CoL [Holotype male; Vietnam ( Sapa )].

Diagnosis. Male. Antennae 30 mm in length. Antennal flagellum first few segments darker brown then lighter throughout with darker striations. Forewing 13 mm and hindwing 9 mm in length. Mesoscutum and mesoscutellum without evident markings. Tibial spurs 2.4.4.

Male genitalia. Inferior appendages two-segmented ( Fig. 61 View Figs ). In lateral view, with protrusion in phallus apex ( Fig. 63 View Figs ). In lateral view, segment X broad narrowing towards the apex ( Fig. 61 View Figs ), in dorsal view bifid and each lobe blunt ( Fig. 62 View Figs ).

Female. Antennae broken. Antennal flagellum same colouration as male. Forewing 10 mm and hindwing 7 mm in length. Mesoscutum and mesoscutellum without evident markings. Tibial spurs 2.4.4.

Material examined. Vietnam: 3 males, 4 females, Tam Dao, coll. H. Malicky, 19 May–13 June 1995 (HMPC) .

Distribution. China, Vietnam.

Remarks. The original description of Navás (1917) (in Latin) did not provide illustration, as well as information on the deposition of the specimen. The assumption is that the type specimen might be deposited in the Natural History Museum in Barcelona, Spain where his personal collections were transferred from the Catholic boy’s school (John Morse, personal communication). However, the museum curator confirmed that there are no species from the genus Macrostemum in their list of available type specimen collection by Navás (Glòria Masó Ros, personal communication). The curator also stated that there is a necessity to review the general collection and not types by Navás but the person handling the collection is now on leave. Therefore, the actual status of the type material cannot be confirmed and the possibility that it is also lost can be considered. Malicky (1998b) redescribed the male of this species including the illustrations of genitalia and forewing. The wing patterns of all the examined specimens were consistent ( Fig. 60 View Figs ).

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Trichoptera

Family

Hydropsychidae

Genus

Macrostemum

Loc

Macrostemum centrotum Navás, 1917

Uy, Christine Jewel C., Malicky, Hans & Bae, Yeon Jae 2018
2018
Loc

Macrostemum centrotum Navás, 1917: 403

Navas L 1917: 403
1917
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