Probable distribution of Pachyrhynchus tetramaculatus

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[Main] [Weevils of PH] [Genus Pachyrhynchus]

Pachyrhynchus tetramaculatus Rukmane, 2019

Distribution

Figure 1. Color plates (artistic renditions) of male and female P. tetramaculatus (left), and map of the Philippine archipelago showing the Province of Nueva Vizcaya where specimens were said to be collected (right) based on one article published in 2019 [1].

Luzon

Region II: Cagayan Valley

  • Province of Nueva Vizcaya
    • Municipality of Quezon

Figure 2. Summary of data on P. tetramaculatus in video presentation format.

Comments on Locality Data

In this paper [1], P. tetramaculatus distribution was declared as "Luzon Island, Nueva Vizcaya Province" (page 143, reference 1). Under type material for this species, the paper indicated the specific municipality where the specimens were collected, which is the municipality of Quezon.

GPS coordinates of sampling sites can be very helpful in verifying the locality data. Verifiable, accurate locality data is very important in environmental assessment studies. The paper [1], however, did not indicate the specific GPS coordinates of the sampling site for this particular species. The same can also be said for the other species declared new in this paper. Images of sampling sites can also be helpful in the verification of locality data. However, these are also not presented in the paper.

Wildlife collections performed in the Philippines for research purposes are issued a Wildlife Gratuitous Permit (WGP). This is mandated in the Republic Act 9147 [2]. In the WGP, the specific location of the collection, as well as the names of the individuals who performed the collection are indicated. This document can be used as provenance to ascertain the accuracy of the locality data. A copy of the WGP can be acquired through a Freedom of Information request to the issuing DENR regional office which, in this case, should be in Region II - Cagayan Valley.

Aside from P. tetratmaculatus, three other new species and two new subspecies were also presented. The commentary on other related insights is discussed in the post for P. kirklayroni.

References:

[1] Rukmane A. 2019. Four new species and two subspecies of the genus Pachyrhynchus Germar, 1824 (Coleoptera: Curculionidae: Pachyrhynchini) from Luzon Island, Philippines. Baltic J. Coleopterol., 19(2): 141 - 150.

[2]  Republic Act 9147 "Wildlife Resources Conservation and Protection Act". https://www.officialgazette.gov.ph/2001/07/30/republic-act-no-9417/

[Main] [Weevils of PH] [Genus Pachyrhynchus]

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