Rhabdogaster, Loew, 1858
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publication ID |
https://doi.org/ 10.5281/zenodo.7667267 |
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publication LSID |
lsid:zoobank.org:pub:1F267232-0610-4075-9ECF-7E8FBC380333 |
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persistent identifier |
https://treatment.plazi.org/id/E9348787-ED1B-FFE8-FE76-29F9C2600864 |
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treatment provided by |
Felipe |
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scientific name |
Rhabdogaster |
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Key to species of Rhabdogaster View in CoL View at ENA
Notes: The key is chiefly designed for use with pinned male specimens. Some specimens may show irregular and asymmetrical patterns of pruinescence. This is often a sign of wear and allowance must be made for possible damage of this kind. Microtrichia are best viewed with backlighting. The word ‘predominantly’ is used when some specimens show some slight variation. It is essential to check identifications arrived at using this key, by referring to descriptions and illustrations of male terminalia. 1 Postmetacoxal bridge entirely pruinose ................................................................ 4
– Postmetacoxal bridge extensively or entirely apruinose ...................................... 2
2 Scutellar macrosetae black; hind femora with black anteroventral macrotsetae; anepisternum extensively apruinose; ơ terminalia as in Figs 74–76 View Figs 68–79 ...................... ........................................................................................ oldroydi ( Lindner, 1973)
– Scutellar macrosetae pale yellow-white to white; hind femora with anteroventral macrosetae pale yellow-white to white; anepisternum extensively pruinose, but with a shiny apruinose area .................................................................................. 3
3 Scutellum pruinose except for hind margin and central part of disc; ơ terminalia as in Figs 104–106 View Figs 104–115 ............................................................................. tanylabis sp. n.
– Scutellum largely apruinose except for narrow anterior margin; ơ terminalia as in Figs 43–45 View Figs 43–54 .......................................................................................... karoo sp. n.
4 Antennal scape and pedicel yellow, orange or light brown, contrasting with red brown postpedicel ................................................................................................. 5
– Antennal scape, pedicel and postpedicel dark red-brown to black ..................... 10
5 Antennal setae pale yellow-white to white ........................................................... 6
– Antennal setae dark red-brown to black ............................................................... 7
6 Scutellum and anepisternum entirely pruinose; wing membrane with characteristic dark markings anteriorly; ơ terminalia as in Figs 52–54 View Figs 43–54 ........................................ ...................................................................................... maculipennis Engel, 1929
– Scutellum extensively pruinose except for hind margin; anepisternum extensively pruinose except for a small apruinose spot; wing membrane lacking dark markings; ơ terminalia as in Figs 27–30 View Figs 18–30 ............................................ flavida ( Lindner, 1973)
7 Scutellar setae black; hind femur with black anteroventral macrosetae ............... 8
– These setae pale yellow-white .............................................................................. 9
8 Second palpal segment black setose; scutellum entirely pruinose; costal cell entirely microtrichose; ơ terminalia as in Figs 92–94 View Figs 92–103 ............. pulverulentus ( Loew, 1858)
– Second palpal segment white setose; scutellum extensively pruinose, but with apruinose hind margin; costal cell entirely lacking microtrichia; ơ terminalia as in Figs 9–11 View Figs 6–17 ........................................................................................... bicolor sp. n.
9 ơ terminalia as in Figs 31–33 View Figs 31–42 ............................................................ glabra sp. n.
– ơ terminalia as in Figs 119–121 View Figs 116–127 ............................................................ zilla sp. n.
10 Mystax predominantly dark red-brown to black ( zopheros with black setae dorsally and white ventrally in more or less equal numbers) ........................................... 11
– Mystax predominantly pale yellow to white ...................................................... 13
11 Femora entirely black; ơ terminalia as in Figs 122–124 View Figs 116–127 ............... zopheros sp. n.
– Femora at least partly yellow or orange ............................................................. 12
12 Scutellar macrosetae black; ơ terminalia as in Figs 71–73 View Figs 68–79 .................... nyx sp. n.
– Scutellar macrosetae white; ơ terminalia as in Figs 59–61 View Figs 55–67 ................. melas sp. n.
13 Antennal setae predominantly dark red-brown to black..................................... 14
– Antennal setae predominantly white to yellow .................................................. 25
14 Second palpal segment predominantly black setose; ơ terminalia as in Figs 6–8 View Figs 6–17 .................................................................................................... atropalpus sp. n.
– Second palpal segment predominantly pale yellow to white setose ................... 15
15 Hind femur with black anteroventral macrosetae; ơ terminalia as in Figs 18–20 View Figs 18–30 ................................................................................................. cuthbertsoni sp. n.
– Hind femur with pale yellow to white anteroventral macrosetae ....................... 16
16 Scutellar setae white to pale yellow ................................................................... 17
– Scutellar setae dark red-brown to black.............................................................. 20
17 Anepisternum entirely pruinose; ơ terminalia as in Figs 98–100 View Figs 92–103 ........................... ............................................................................................ rustica Oldroyd, 1974
– Anepisternum with apruinose area ..................................................................... 18
18 Scutellum entirely pruinose; ơ terminalia as in Figs 95–97 View Figs 92–103 ........ quasinuda sp. n.
– Scutellum with apruinose hind margin ............................................................... 19
19 Discal cell entirely microtrichose; costal cell with some microtrichia but not entirely microtrichose; ơ terminalia as in Figs 83–85 View Figs 80–91 .................................... pedion sp. n.
– Discal cell not entirely microtrichose; costal cell completely lacking microtrichia; ơ terminalia as in Figs 21–23 View Figs 18–30 ............................................................ eremia sp. n.
20 Scutellum entirely pruinose ................................................................................ 21
– Scutellum extensively pruinose, but with apruinose hind margin ...................... 22
21 Anepisternum entirely pruinose; ơ terminalia as in Figs 24–26 View Figs 18–30 ....... etheira sp. n.
– Anepisternum extensively pruinose, but with a small apruinose spot; ơ terminalia as in Figs 40–42 View Figs 31–42 .............................................................................. kalyptos sp. n.
22 Anepisternum entirely pruinose .......................................................................... 23
– Anepisternum with a small apruinose spot ......................................................... 24
23 Frons and vertex entirely pruinose; costal cell lacking microtrichia; ơ terminalia as in Figs 86–88 View Figs 80–91 ....................................................................................... pellos sp. n.
– Frons and vertex not entirely pruinose, but with an apruinose stripe between eyes that includes ocellar tubercle; costal cell entirely microtrichose; ơ terminalia as in Figs 62–64 View Figs 55–67 .................................................................................. nitida Hull, 1967
24 Discal cell entirely microtrichose; ơ terminalia as in Figs 80–82 View Figs 80–91 ........ oribi sp. n.
– Discal cell partly without microtrichia; ơ terminalia as in Figs 65–70 View Figs 55–67 View Figs 68–79 .................. .................................................................................................... nuda Loew, 1858
25 Scutellar setae dark red-brown to black; ơ terminalia as in Figs 12–14 View Figs 6–17 ................ ......................................................................................................... charma sp. n.
– Scutellar setae pale yellow to white ................................................................... 26
26 Anepisternum entirely pruinose .......................................................................... 27
– Anepisternum with an apruinose area................................................................. 28
27 Frons and vertex entirely pruinose; scutellum extensively pruinose, but with apruinose hind margin; ơ terminalia as in Figs 125–127 View Figs 116–127 ....................................... ....................................................................................... cinerascens ( Wulp, 1899)
– Frons and vertex not entirely pruinose, but with an apruinose stripe between eyes that includes ocellar tubercle; scutellum entirely pruinose; ơ terminalia as in Figs 101–103 View Figs 92–103 ................................................................................................. sinis sp. n.
28 Scutellum pruinose except for hind margin (a few specimens are entirely pruinose); ơ terminalia as in Figs 34–39 View Figs 31–42 ..................... gracilis ( Engel & Cuthbertson, 1937)
– Scutellum more extensively apruinose ............................................................... 29
29 Scutellum pruinose except for hind margin and central part of scutellar disc.... 30
– Scutellum largely apruinose, pruinescence when present limited to anterior margin or small areas anterolaterally .............................................................................. 31
30 Frons and vertex entirely pruinose; discal cell partly lacking microtrichia; anepisternum with apruinose area not occupying more than half area of pleurite; ơ terminalia as in Figs 46–48 View Figs 43–54 ........................................................... kosmos sp. n.
– Frons and vertex extensively apruinose; discal cell entirely microtrichose; anepisternum with extensive apruinose area occupying more than half area of pleurite; ơ terminalia as in Figs 116–118 View Figs 116–127 ........................................................... zebra sp. n.
31 Discal cell entirely microtrichose ....................................................................... 32
– Discal cell, if not entirely devoid of microtrichia, with at least a small area lacking microtrichia ......................................................................................................... 35
32 Costal cell entirely microtrichose ....................................................................... 33
– Costal cell at least partly lacking microtrichia ................................................... 34
33 Mesonotum and abdominal tergites orange laterally; fine pale setae generally short and white; ơ terminalia as in Figs 49–51 View Figs 43–54 ........................................ lindneri sp. n.
– Mesonotum and abdominal tergites uniformly black; fine pale setae generally long and yellow; ơ terminalia as in Figs 77–79 View Figs 68–79 ..................................... oresbios sp. n.
34 Frons and vertex extensively pruinose except for an apruinose stripe between eyes that includes ocellar tubercle; costal cell lacking microtrichia; antennal setae entirely white; ơ terminalia as in Figs 55–58 View Figs 55–67 .................................... major Oldroyd, 1970
– Frons and vertex extensively apruinose except for a pruinose area adjacent to antennal bases; costal cell with some microtrichia; antennal setae may be mixed black and white; ơ terminalia as in Figs 110–112 View Figs 104–115 ..................... xanthokelis sp. n.
35 Discal cell entirely lacking microtrichia ............................................................. 36
– Discal cell at least partly microtrichose .............................................................. 37
36 Scutellar disc with long white setae; ơ terminalia as in Figs 113–115 View Figs 104–115 ... yeti sp. n.
– Scutellar disc lacking setae; ơ terminalia as in Figs 15–17 View Figs 6–17 ........... cornuata sp. n.
37 Mystax occupies about half of face; legs entirely dark red-brown to black; ơ terminalia as in Figs 89–91 View Figs 80–91 ................................................................. poa sp. n.
– Mystax occupies about two-thirds of face; distal ends of femora and proximal parts of tibiae orange; ơ terminalia as in Figs 107–109 View Figs 104–115 ............................ theroni sp. n.
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