Triorla beckeri Castro, Bravo and Vieira, 2016
|
publication ID |
https://doi.org/ 10.1016/j.rbe.2015.11.013 |
|
persistent identifier |
https://treatment.plazi.org/id/A52B87D8-FFB4-FFF6-DB0D-FA19FF2DD9F8 |
|
treatment provided by |
Felipe |
|
scientific name |
Triorla beckeri Castro, Bravo and Vieira |
| status |
sp. nov. |
Triorla beckeri Castro, Bravo and Vieira sp. nov.
Figs. 1 View Figures 1–5 , 6 View Figures 6–10 , 11 View Figures 11–15 , 22–29 View Figures 22–29
Diagnosis: four ocellar setae; face and front yellow pruinose; dorsal margin of anepisternum white setose; 8 pronotal macrosetae; tergite I with 3–4 black and yellow macrosetae; epandrium with apical concavity in lateral view, macrosetae in mediodorsal region ( Fig. 29 View Figures 22–29 ); gonocoxite triangular, ending in an acute, short projection in posteroventral region ( Fig. 23 View Figures 22–29 ); gonostylus 5.5× longer than wide, bilobed at apex ( Fig. 27 View Figures 22–29 ); distal region of hypandrium without median projection ( Fig. 24 View Figures 22–29 ); ejaculatory apodeme without spines ( Fig. 28 View Figures 22–29 ); aedeagal prongs with 1 subapical dilation ( Figs. 22, 28 View Figures 22–29 ).
Description. Male. Head ( Figs. 1 View Figures 1–5 , 6 View Figures 6–10 ). Ocellar tubercle with 4 yellow setae at apex, 4–6 brown setae laterally, 17–19 yellow postocular macrosetae, 4–7 black and yellow lateral orbital macrosetae. Mystax: black macrosetae dorsally, yellow macrosetae laterally; median and inferior region with 12 macrosetae and setae, the inferior macrosetae transversally distributed; 3–4 pairs of subvibrissal macrosetae. Inferior occipital setae white and branched, and 12–13 occipital macrosetae. Basal proboscial white setae. Mentum with yellow and apically undulated setae. Palpus brown setose on distal half and yellow to pale on proximal half. Face and front yellow pruinose; face wide in frontal view, face at antennal level 1.2× as wide as eyes. Front with brown transversal vitae; gena and epistomal margin brownish-white pruinose. Scape 2.0× the length of pedicel, black setae dorsally and yellow setae ventrally. Facial gibbosity developed. Lateral width of gena 0.25× the lateral length of compound eye.
Thorax. Eight pronotal macrosetae. Postpronotal lobe white setose; 2 pairs of black notopleural macrosetae; 2 pairs of black supraalar macrosetae; 2 pairs black postalar macrosetae; 6 black scutellar macrosetae apically; scutellar disc yellow, setose yellow basally, black apically, undulated at apex; posterior acrostichal setae replaced by black apically undulated setae; 4pairs dorsocentral black macrosetae. Mesonotum mainly brownish. Anepisternum with white setae on dorsal margin; basalar sclerite black setose; katepisternum with few white setae; anepimeron with some white setae; katepimeron glabrous.
Wing. ( Fig. 11 View Figures 11–15 ); membrane yellowish. Halters brownish.
Abdomen ( Fig.25 View Figures 22–29 ). Tergite I with 3–4 black and yellow macrosetae; posterior margin fringed with yellow macrosetae, remaining surfaces yellow setose. Lateral margins of tergite II yellow setose; dorsal surface yellow setose. Lateral margins of tergite III with short
15
yellow setae. Tergites IV–V dark brown to black with transversal posterior band light-brown. Tergite VI white, with a median and triangular black spot. Tergite VII black, with lateral white margins.
Terminalia ( Figs. 22–24, 26–29 View Figures 22–29 ). Epandrium in lateral view, with mediodorsal region bearing differentiated macrosetae ( Figs. 26, 29 View Figures 22–29 ); cercus elliptic, ending at same level as alate projections of subepandrial sclerite. Hypandrium with rounded distal margin, without median projection ( Fig.24 View Figures 22–29 ). Gonocoxite triangular, ending in acute, short projection in posteroventral region ( Fig. 23 View Figures 22–29 ). Gonostylus 5.5× longer than wide and 1.5× the length of gonocoxite, bilobed at apex ( Fig. 27 View Figures 22–29 ). Aedeagal prongs with subapical dilation ( Figs. 22, 28 View Figures 22–29 ); aedeagal sheath as long as prongs ( Fig. 28 View Figures 22–29 ), dilation of median prong situated more anteriorly than same on lateral prongs ( Fig. 22 View Figures 22–29 ).
Size. Body length 15 mm.
Female. Unknown.
Etymology. This species is named for Johann Becker, a Brazilian entomologist.
Geographical records. Brazil: Bahia State.
Type material. Holotype: BRASIL, Bahia, Camaçari, Dunas de Jauá [12 ◦ 46 Ɩ 10 ƖƖ S, 38 ◦ 10 Ɩ 21 ƖƖ W], xii.1993. J. Becker col., MZFS#29005 (♂ MZFS).
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.