Mekonglema kaorao Zhao & Li, 2020
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publication ID |
https://dx.doi.org/10.3897/zookeys.933.38653 |
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publication LSID |
lsid:zoobank.org:pub:AE87B5CF-9728-466B-AB05-6BFFFED802D4 |
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persistent identifier |
https://treatment.plazi.org/id/F2C24399-518A-4CDB-B1DF-3EEF3EEC1E99 |
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taxon LSID |
lsid:zoobank.org:act:F2C24399-518A-4CDB-B1DF-3EEF3EEC1E99 |
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treatment provided by |
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scientific name |
Mekonglema kaorao Zhao & Li |
| status |
sp. nov. |
Mekonglema kaorao Zhao & Li sp. nov. Figures 14 View Figure 14 , 15 View Figure 15 , 33 View Figure 33
Type material.
Holotype: ♂ (SMF), Laos, Luang Prabang Province, Vieng Phoukha town, Ban Nam Eng, Kao Rao Cave, 20.7251N, 101.1541E, elevation ca. 729 m, P. Jäger leg. Paratype: 1♀ (SMF), same data as holotype.
Etymology.
The species name refers to the type locality; noun in apposition.
Diagnosis.
This species resembles M. walayaku sp. nov. but can be distinguished by the following characters: the bulb is nearly globular (Fig. 14C, D View Figure 14 ) (vs. ellipsoidal), the tip of the embolus is not sclerotized (Fig. 14B View Figure 14 ) (vs. well sclerotized). The tip of receptacle is 1.50 times wider than the neck (Fig. 15A View Figure 15 ) (vs. three times).
Description.
Male (holotype). Total length 1.13. Carapace 0.49 long, 0.44 wide. Abdomen 0.58 long, 0.45 wide. Carapace brown (Fig. 14A View Figure 14 ). Six vestigial eyes (Fig. 14A View Figure 14 ). Chelicerae, legs, labium, and endites light brown. Sternum bright brown with sparse setae. Leg measurements: I 3.06 (0.80, 0.18, 0.98, 0.62, 0.48); II 2.84 (0.85, 0.17, 0.84, 0.53, 0.45); III 2.06 (0.63, 0.15, 0.56, 0.37, 0.35); IV 2.73 (0.81, 0.15, 0.81, 0.56, 0.40). Abdomen light brown (Fig. 14A View Figure 14 ).
Palp. Tibia 2.71 times longer than patella, cymbium 1.65 times longer than tibia, length of cymbial apophysis as wide as cymbial base (Fig. 14C View Figure 14 ); bulb nearly globular (Fig. 14C, D View Figure 14 ); embolus 2/3 as long as cymbium, directed dorsally (Fig. 14C, D View Figure 14 ).
Female. Total length 1.18. Carapace 0.46 long, 0.45 wide. Abdomen 0.65 long, 0.52 wide. Eyes vestigial (Fig. 15B View Figure 15 ). Coloration as in male (Fig. 15B, C View Figure 15 ). Leg measurements: I 2.95 (0.88, 0.18, 0.88, 0.56, 0.45); II 2.62 (0.79, 0.17, 0.75, 0.50, 0.41); III 1.92 (0.59, 0.14, 0.53, 0.34, 0.32); IV 2.62 (0.79, 0.15, 0.75, 0.53, 0.40). Abdomen grey. Receptacle membranous, without tubes inside, neck 1.50 times thinner than tip (Fig. 15A View Figure 15 ).
Distribution.
Laos (Luang Prabang, site 3 in Fig. 33 View Figure 33 ), known only from the type locality.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.