Conjunctus decussatus Yao, Yu & Yang, 2025
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publication ID |
https://doi.org/10.3897/dez.72.156715 |
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publication LSID |
lsid:zoobank.org:pub:3741EAE4-160C-4518-B135-58FADB431AB8 |
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DOI |
https://doi.org/10.5281/zenodo.17405976 |
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persistent identifier |
https://treatment.plazi.org/id/74E62B61-2C69-5C0F-8818-0717CBF6D297 |
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treatment provided by |
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scientific name |
Conjunctus decussatus Yao, Yu & Yang |
| status |
sp. nov. |
Conjunctus decussatus Yao, Yu & Yang sp. nov.
Figs 1 View Figure 1 , 2 View Figure 2
Type material.
Holotype: ♂, China: Chongqing, Chengkou , 5 July 2008, leg. Yang Zaihua. Paratype: 1 ♂, same data as holotype .
Description of male. Body length ( n = 2): 4.6–4.9 mm.
Head. Crown orange-red, with a large, black pentagonal spot at posterior margin and vertex (Fig. 1 A, D View Figure 1 ). Eyes black, ocelli brown, on vertex (Fig. 1 B, C View Figure 1 ). Face light yellowish-brown (Fig. 1 B, C View Figure 1 ).
Thorax. Pronotum with trapezoidal transverse depression; median and posterior portions reddish-brown, elevated (Fig. 1 A, D View Figure 1 ). Scutellum light brown, intershield grooves brown, not reaching lateral margins (Fig. 1 A, D View Figure 1 ). Forewings light brown; hindwings hyaline, veins brown (Fig. 1 E, F View Figure 1 ). Abdomen dark brown. Legs light yellow; claws and tibiae of fore-legs brown (Fig. 1 B View Figure 1 ).
Abdomen. Tergites dark brown. Ventral abdominal apodemes short, fine, extending to third abdominal segment (Fig. 2 A View Figure 2 ). Pygofer broad basally in dorsal view, apex with fine setae; dorsal bridge exceeding one third of pygofer length. Posterior margin of lateral valve of pygofer involute (Fig. 2 B, C View Figure 2 ). Ventral appendage crossed, narrowed distally (Fig. 2 H View Figure 2 ). Subgenital plates exceeding pygofer, fused basally, with a single row of macrosetae sub-basally to tip; numerous macrosetae with marginal setae laterally (Fig. 2 I View Figure 2 ). Paramere broad, with subterminally fine setae, apex tipped with rolled folds. (Fig. 2 D, F View Figure 2 ). Aedeagal shaft enlarged distally in lateral view, with tuberculate dorsal protuberance and tubular gonoduct; the gonopore positioned above aedeagal shaft and dorsal protuberance (Fig. 2 D, E, G View Figure 2 ). Anal styli elongated, straight, tapering to sharp apex, with short basal prickle (Fig. 2 J View Figure 2 ). Connective triangular, broad basally, narrow distally, fused to base of aedeagal shaft below curvature (Fig. 2 D, E View Figure 2 ).
Female. Unknown.
Distribution.
China, Chongqing.
Etymology.
The name of the new species is the Latin adjective decussatus, - a, - um, meaning “ decussated, crossed ”, referring to the crossed ventral pygofer appendages of the male.
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.
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Empoascini |
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