Rhoenanthus (Potamanthindus) obscurus Navas , 1922
publication ID |
https://dx.doi.org/10.3897/zookeys.1067.72779 |
publication LSID |
lsid:zoobank.org:pub:8DB9C8FE-9DF7-438D-92BA-4B40E81F5DE1 |
persistent identifier |
https://treatment.plazi.org/id/C0F8D3C4-3C5B-57E1-9004-14B00792A55C |
treatment provided by |
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scientific name |
Rhoenanthus (Potamanthindus) obscurus Navas , 1922 |
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Rhoenanthus (Potamanthindus) obscurus Navas, 1922 View in CoL
Figures 10C, D View Figure 10 , 11C View Figure 11 , 14 View Figure 14 , 15 View Figure 15
Materials examined.
1 female imago (reared) and 1 male imago (reared), Thailand, Chiang Mai province, Mae Ping river, Elely Cafe , 19°04'08.4"N, 98°56'28.8"E, 15.XI.2020, S. Kwanboon leg. (ZMKU) GoogleMaps .
Diagnosis.
The larvae of Rhoenanthus obscurus can be distinguished from those of other Rhoenanthus (Potamanthindus) species based on the following characteristics: i) medium-sized body (12-17 mm), ii) mandibular tusks arched inward about 28° (angle measurement as shown in Fig. 10D View Figure 10 ), iii) length of mandibular tusks ca 0.7-0.8 × length of the head, and iv) length of foretibiae ca 1.32-1.49 × length of the forefemora and about 2.55-3.02 × length of the foretarsi (Fig. 11C View Figure 11 ) ( Bae and McCafferty 1991; Nguyen and Bae 2006).
Distribution.
Chiang Mai province.
Remark.
The larva of R. obscurus was originally described by Gose (1969) as Potamanthus sp. TPA and collected from Thailand (Chantaburi province). Bae and McCafferty (1991) redescribed the larva with material from Mae Ping river, Chiang Mai province. In this study, we found this species in the same river as in the previous study. Our specimens were reared in the laboratory and successfully raised to the imago stage.
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Potamanthindus |