Bembecinus karasanus, 2015
publication ID |
https://doi.org/ 10.5281/zenodo.11512316 |
persistent identifier |
https://treatment.plazi.org/id/7C4DD35E-FFB6-1E74-FEC7-FDE1A6AACEAB |
treatment provided by |
Felipe |
scientific name |
Bembecinus karasanus |
status |
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Key to Species of Bembecinus rhopalocerus View in CoL Group
♀♀ Unknown and not included: Bembecinus namaquensis View in CoL
1a. Forefemur conspicuously expanded basoventrally, its dorsal margin almost straight (Fig. 20b); clypeus near base roundly angulate in profile (Fig. 20a)........ rhopalocerus (Handlirsch) View in CoL
1b. Forefemur not expanded, somewhat expanded basoventrally in damarensis View in CoL , in which dorsal margin is shallowly concave basally and clypeus is evenly arcuate in profile........... 2
2a. Labrum with large punctures (Fig. 12a), larger than those on scutum, averaging about one diameter apart................................. karasanus F. Gess and Pulawski View in CoL , sp. nov.
2b. Labrum with punctures smaller than or equal to those on scutum, averaging several diameters apart..................................................................... 3
3a. Scutum with pair of admedian yellow stripes extending through most of scutum length, and gaster yellow and black; interocellar area yellow (partly so in some gilvus View in CoL )............. 4
3b. Scutum all black mesally or, if with yellow admedian stripes ( omaruru View in CoL , many mutabilis View in CoL , some gariepensis View in CoL ), then gaster ferruginous (at least with ferruginous apical fasciae on terga), with or without yellow apical fasciae on terga; interocellar area black or with minute yellow spot between midocellus and hindocellus in some mutabilis View in CoL ............................. 7
4a. Terga II-V each with pair of submedian black stripes (Fig. 22) that extend beyond tergal midlength or with pair of black spots near tergal middle.............. somalicus (Arnold) View in CoL
4b. Terga II-V with narrow black fascia basally or with single median black stripe that extends beyond tergal midlength..................................................... 5
5a. Scape with erect setae along its entire length (except basally).. namibius Pulawski View in CoL , sp. nov.
5b. Scape without erect setae or with erect setae at apex only........................... 6
6a. Labrum microscopically reticulate between punctures; forebasitarsus barely broadened (Fig. 8a); lower metapleuron closely, microscopically punctate; length 6.0–10.0 mm........................................................................ gilvus R. Bohart View in CoL
6b. Labrum unsculptured between punctures, at least along midline; forebasitarsus broadened (Fig. 18a); lower metapleuron microscopically areolate; length 9.5–14.0 mm....................................................................... quadristrigatus (Arnold) View in CoL
7a. Tergum II laterally with erect setae ( Fig. 10b View FIGURE ), longest setae about 0.5 × midocellar width. 8
7b. Tergum II without erect setae or setae markedly shorter............................ 10
8a. Gastral terga ferruginous, without apical yellow fasciae.............. hyperocrus (Arnold) View in CoL
8b. Gastral terga with pale yellow apical fasciae (fasciae ill-defined in omaruru View in CoL with golden tan gaster).................................................................... 9
9a. Clypeus all yellow, practically not angulate near base; minimum interocular distance equal to 2.2 × that between antennal scrobe and base of clypeus....... omaruru Pulawski View in CoL , sp. nov.
9b. Clypeus black basally, roundly angulate near base in profile (Fig.11a); minimum interocular distance equal to 3.2 × that between antennal scrobe and base of clypeus................................................................ inexspectatus Pulawski View in CoL , sp. nov.
10a. Terga all ferruginous or with apical ferruginous fasciae (apical terga may be all or partly black), in some species with yellow apical fasciae................................ 11
10b. Terga black and yellow..................................................... 14
11a. Terga largely ferruginous or with ferruginous, apical fasciae, but without yellow apical fasciae...................................................... mutabilis (Arnold) View in CoL
11b. Terga with yellow apical fasciae............................................. 12
12a. Hindtibial arolium about as long as 0.5 × inner claw; mid- and hindtarsal claws slightly curving inwards at base................................... helicicola Pulawski View in CoL , sp. nov.
12b. Hindtibial arolium about as long as 0.25 × inner claw; mid- and hindtarsal claws straight (indistinguishable morphologically, but can be determined by association with topotypical males)................................................................... 13
13a. Southern Namibia, Eastern and Western Cape Provinces of South Africa...................................................................... rhopaloceroides (Arnold) View in CoL
13b. Southern Namibia, northwestern part of Northern Cape Province of South Africa................................................ gariepensis F. Gess and Pulawski View in CoL , sp. nov.
14a. Dorsal surface of tergum I yellow except for median, black, nearly rectangular marking ( Fig. 6b View FIGURE ) that does not attain posterior margin; scape without erect setae; dorsal margin of forefemur somewhat concave basally, ventral margin slightly expanded basally ( Fig. 6a View FIGURE )............................................... damarensis F. Gess and Pulawski View in CoL , sp. nov.
14b. Tergum I black except for narrow, yellow apical fascia; scape apically with several erect setae (setal length at least 0.5 × midocellar width); dorsal margin of forefemur practically straight, ventral margin not expanded basally........................................... 15
15a. Clypeus all or partly black, mesopleuron black.................... pakhuisae R. Bohart View in CoL
15b. Clypeus all yellow, mesopleuron partly yellow..................... zebratus R. Bohart View in CoL
♂♂ Unknown and not included: Bembecinus helicicola View in CoL
1a. Punctures of labrum larger than those of scutum (Fig. 12a).................................................................... karasanus F. Gess and Pulawski View in CoL , sp. nov.
1b. Punctures of labrum smaller than or equal to those on scutum........................ 2
2a. Foretibia incrassate in profile (Figs 7b, 19c)...................................... 3
2b. Foretibia not incrassate....................................................... 4
3a. Foretibial inner surface with oblique impression that is visible in dorsal view as an emargination at tibia’s basal third (Fig. 19b).......................... rhopaloceroides (Arnold) View in CoL
3b. Foretibia with inner surface flat or nearly so, without emargination in dorsal view (Figs 7a and b).................................. gariepensis F. Gess and Pulawski View in CoL , sp. nov.
4a. Tergum II with erect setae ( Fig. 10c View FIGURE ), at least laterally; longest setae about 0.5 × midocellar width..................................................................... 5
4b. Tergum II without erect setae or setae markedly shorter............................. 7
5a. Clypeus, supraclypeal area, and stripes along orbit pale yellow........................................................................ inexspectatus Pulawski View in CoL , sp. nov.
5b. Clypeus, supraclypeal area, and frons all black.................................... 6
6a. Gastral terga without pale yellow apical fasciae; tergum VII shorter, rounded ( Fig. 10d View FIGURE ).............................................................. hyperocrus (Arnold) View in CoL
6b. Gastral terga with pale yellow apical fasciae (fasciae ill defined in specimens with golden tan gaster); tergum VII longer, roundly triangular (Fig. 16)....... omaruru Pulawski View in CoL , sp. nov.
7a. Apical flagellomere curved, excavated posteriorly, only slightly so in pakhuisae View in CoL (Fig. 17b). 8
7b. Apical flagellomere not curved, not excavated posteriorly or insignificantly excavated.... 11
8a. Gastral terga largely ferruginous (tergum I black basally, following terga all ferruginous or narrowly black basally)........................................... mutabilis (Arnold) View in CoL
8b. Gastral terga yellow and black................................................. 9
9a. Tergum VII longer, roundly triangular ( Fig. 6d View FIGURE ); apical flagellomere markedly curved and excavated ( Fig. 6c View FIGURE )........................... damarensis F. Gess and Pulawski View in CoL , sp. nov.
9b. Tergum VII shorter, roundly trapezoid (Fig. 17c); apical flagellomere slightly curved and excavated (Fig. 17b)........................................................... 10
10a. Apical flagellomere less curved (Fig. 17b); yellow apical fascia of tergum II slightly shorter to longer than black, basal part, at least mesally................... pakhuisae R. Bohart View in CoL
10b. Apical flagellomere in most specimens more curved (Fig. 23a); yellow apical fasciae of tergum II shorter than black, basal part.............................. zebratus R. Bohart View in CoL
11a. Gastral terga largely ferruginous..................... namaquensis Pulawski View in CoL , sp. nov.
11b. Gastral terga yellow and black (with some ferruginous on tergum I in rhopalocerus View in CoL ).... 12
12a. Terga II-V with pair of submedian black stripes that extend beyond tergal midlength or with pair of black spots near tergal middle (Fig. 22)..................... somalicus (Arnold) View in CoL
12b. Tergum II-V with narrow black fascia basally or with single median black stripe that extends beyond tergal midlength.................................................... 13
13a. Scape with erect setae along its entire length (except basally). namibius Pulawski View in CoL , sp. nov.
13b. Scape without erect setae or with erect setae at apex only......................... 14
14a. Distance between clypeus and antennal scrobe equal to about 0.3 × least interocular distance (Fig. 8b); lower gena without erect setae between mandibular base and occipital carina; length 7.0–9. 2 mm .................................................... gilvus R. Bohart View in CoL
14b. Distance between clypeus and antennal scrobe equal to 0.6–0.7 × least interocular distance; lower gena with erect setae between mandibular base and occipital carina; length 12.1–14. 6 mm ..................................................................... 15
15a. Clypeus roundly angulate basally (best seen in profile, Fig. 20a); tergum VII broadly round- ed (Fig. 20c); scutum black mesally........................ rhopalocerus (Handlirsch) View in CoL
15b. Clypeus evenly arcuate in profile; tergum VII less rounded, more prominent mesally (Fig. 18d); scutum with pair of admedian yellow stripes.............. quadristrigatus (Arnold) View in CoL
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