Microvelia douglasi Scott, 1874

Pelingen, Arthien Lovell, Zettel, Herbert, Pangantihon, Clister V, Aldaba, Kyra Mari Dominique, Fatallo, Earl Kevin, de Leon, Jemillie Madonna & Freitag, Hendrik, 2020, Contributions to the knowledge of water bugs in Mindoro Island, Philippines, with a species checklist of Nepomorpha and Gerromorpha (Insecta, Hemiptera, Heteroptera), Biodiversity Data Journal 8, pp. 56883-56883 : 56883

Microvelia douglasi Scott, 1874

Materials

Type status: Other material. Occurrence: individualCount: 1 female (ap); Taxon: scientificName: Microveliadouglasi; Location: island: Mindoro; country: Philippines; municipality: Roxas; locationRemarks: BR3m; Event: eventDate: 08.07.2017 Type status: Other material. Occurrence: individualCount: 10 males (ma), 18 males (ap); Taxon: scientificName: Microveliadouglasi; Location: island: Mindoro; country: Philippines; municipality: Roxas; locationRemarks: TR2e; Event: eventDate: 23.09.2017

Distribution

This species (Fig. 6 D), which was originally described from Japan ( Scott 1874), is widely distributed in the Oriental, Australian and Melanesian Regions reaching eastwards to the remote islands of the West Pacific Region ( Andersen and Weir 2003). See Fig. 7 for the additional records.

Taxon discussion

See Andersen et al. (2002) for identification. The species is rarely collected in the Island.

Habitat

The species was found on stream banks, specifically in side pools (Fig. 3 B), such as at site BR3 (Fig. 2 A).

Figures

Figure 2. Sampling sites at the Baroc River basin (Roxas, southern Mindoro). A. lower Baroc River (BR 3); B. Hinundungan River from Hinagdanan Falls (HR 2); C. upper Taugad Daka River (TDR 4); D. small tributary of the Taugad River (TUC).

Figure 3. Microhabitats sampled with their respective label codes, as listed above. A. side pool with mineral deposits (" t "); B. littoral pool with mineral deposits (" b "); C. bottom gravel in running water (" c "); D. leaf packs trapped in riffles (" d "); E. leaf litter in rivulet (" k "); F. rock surface in riffle (" g "); G. root packs in running water (" h "); H. neustic in running water (" z ").

Figure 6. Selected habitus illustrations of Gerromorpha of Mindoro A. Hebrus sp.; B. Mesovelia vittigera; C. Hydrometra mindoroensis; D. Microvelia douglasi; E. Pseudovelia cf. curvata; F. Strongylovelia mindoroensis; G. Rhagovelia mindoroensis; H. Rhagovelia raddai. Scale bars 1 mm.

Figure 7. Distribution of the collecting sites of Gerromorpha material (part 1) treated in this study.