Hydrotrephes stereoides mindoroensis Zettel, 2003

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

Hydrotrephes stereoides mindoroensis Zettel, 2003

Materials

Type status: Other material. Occurrence: individualCount: 13 males (ma); Taxon: scientificName: Hydrotrephesstereoidesmindoroensis; Location: island: Mindoro; country: Philippines; municipality: Roxas; locationRemarks: HR2f; Event: eventDate: 07/03/2017 Type status: Other material. Occurrence: individualCount: 2 males (ma); Taxon: scientificName: Hydrotrephesstereoidesmindoroensis; Location: island: Mindoro; country: Philippines; municipality: Roxas; locationRemarks: TACb; Event: eventDate: 07/09/2017 Type status: Other material. Occurrence: individualCount: 2 males (ma); Taxon: scientificName: Hydrotrephesstereoidesmindoroensis; Location: island: Mindoro; country: Philippines; municipality: Roxas; locationRemarks: TDR1f; Event: eventDate: 09/22/2017 Type status: Other material. Occurrence: individualCount: 3 males (ma); Taxon: scientificName: Hydrotrephesstereoidesmindoroensis; Location: island: Mindoro; country: Philippines; municipality: Roxas; locationRemarks: TIR1b; Event: eventDate: 07/10/2017

Distribution

The subspecies (Fig. 4 H) is endemic to Mindoro Island. See Fig. 5 for new records. Other Hydrotrephes steroides Zettel, 2003 (see Zettel 2003b) subspecies occur in north and central Luzon, namely ssp. montanus and ssp. steroides .

Taxon discussion

For identification, refer to the key by Zettel (2003b).

Habitat

Hydrotrephes stereoides Zettel, 2003 is mainly associated with lentic sections of running waters, swimming actively at the edges of plant material, rarely benthic in running waters. We found most specimens attached to wood in clean mountain rivers.

Figures

Figure 4. Habitus illustrations of Nepomorpha of Mindoro A. Ranatra sp. (R. gracilis group); B. Ochterus polhemusi; C. Asthenocoris luzonensis paradisianus; D. Aphelocheirus (s. str) freitagi; E. Anisops kuroiwae; F. Anisops rhomboides; G. Enithares martini mindoroensis; H. Hydrotrephes stereoides mindoroensis. Scale bars A 10 mm B-H 1 mm. A & C © NHMW Hemiptera Image Collection / photo: H. Bruckner, printed with permission.

Figure 5. Distribution of the collecting sites of Nepomorpha material treated in this study.