Discoxenus
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publication ID |
https://doi.org/ 10.11646/zootaxa.4044.2.2 |
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publication LSID |
lsid:zoobank.org:pub:7000893A-A8BC-4196-B76D-385C97B96FBD |
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DOI |
https://doi.org/10.5281/zenodo.6111771 |
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persistent identifier |
https://treatment.plazi.org/id/0395F739-FFA6-BF21-FF02-1B6CFA5DBF70 |
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treatment provided by |
Plazi |
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scientific name |
Discoxenus |
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Key to the Southeast Asian species of Discoxenus View in CoL
1. Macrochaetotaxy of abdominal tergites III–VIII = 6, 6, 6, 6, 6, 6............................................... 2
- Macrochaetotaxy of abdominal tergites III–VIII variable...................................................... 7
2. Antennal segment XI approximately 1.4 times longer than wide ( Fig. 150 View FIGURES 149 – 164 ); elytra sparsely covered with relatively long setae ( Fig. 156 View FIGURES 149 – 164 ).................................................................................. D. katayamai View in CoL
- Antennal segment IX more than 2 times longer than wide ( Figs. 55 View FIGURES 54 – 72 , 74 View FIGURES 73 – 88 , 90 View FIGURES 89 – 104 , 106 View FIGURES 105 – 120 , 122 View FIGURES 121 – 136 , 138 View FIGURES 137 – 148 ); elytra covered with no or few short setae except for anterolateral outer corner................................................................. 3
3. Abdominal sternites IV–VII with 2 rows of macrosetae....................................................... 4
- Abdominal sternites IV–VII with 1 row of macrosetae at posterior margin......................................... 5
4. Abdominal sternites IV–VII with 1 pair of macrosetae subapically................................. D. phourini View in CoL n. sp.
- Abdominal sternites IV–VII with more than 5 pairs of macrosetae (10–11 macrosetae) subapically....... D. hirsutus View in CoL n. sp.
5. Spermatheca with apical part longer than basal part ( Fig. 148 View FIGURES 137 – 148 )..................................... D. kakizoei View in CoL n. sp.
- Spermatheca with apical part shorter than basal part ( Figs. 88 View FIGURES 73 – 88 , 120 View FIGURES 105 – 120 )............................................. 6
6. Median lobe of male aedeagus with distal crest moderately pointed at apex ( Fig. 86 View FIGURES 73 – 88 ); paramere with paramerite narrow ( Fig. 87 View FIGURES 73 – 88 )............................................................................... D. kohkongensis View in CoL n. sp.
- Median lobe of male aedeagus with distal crest rounded apically ( Fig. 118 View FIGURES 105 – 120 ); paramere with paramerite broad ( Fig. 119 View FIGURES 105 – 120 )............................................................................................ D. minutus View in CoL n. sp.
7. Body long, length more than 2.3 mm ...................................................................... 8
- Body short, around 2 mm or less.......................................................................... 9
8. Pronotum sparsely covered with macrosetae ( Fig. 27 View FIGURES 19 – 37 ); macrochaetotaxy of abdominal tergites III–VIII = 6, 6, 6, 6, 6, 4; median lobe of male aedeagus with basal capsule with distal crest weakly developed ( Fig. 35 View FIGURES 19 – 37 )...... D. latiabdominalis View in CoL n. sp.
- Pronotum with macrosetae only at lateral margin ( Fig. 127 View FIGURES 121 – 136 ); macrochaetotaxy of abdominal tergites III–VIII = 4, 4, 4, 4, 4, 6; median lobe of male aedeagus with distal crest strongly developed ( Fig. 134 View FIGURES 121 – 136 ).......................... D. lucidus View in CoL n. sp.
9. Macrochaetotaxy of abdominal tergites III–V = 6, 6, 6...................................... D. cambodiensis View in CoL n. sp.
- Macrochaetotaxy of abdominal tergites III–V = 8, 8, 8....................................................... 10
10. Macrochaetotaxy of abdominal tergites VI–V = 8, 8........................................... D. krishnai Kistner View in CoL
- Macrochaetotaxy of abdominal tergites VI–V = 6, 6....................................... D. malaysiensis Kistner View in CoL
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.