Diglyphus
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publication ID |
https://doi.org/ 10.11646/zootaxa.4269.2.2 |
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publication LSID |
lsid:zoobank.org:pub:5B1DE1C4-D0DC-4920-A526-6D87FAE43DA6 |
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DOI |
https://doi.org/10.5281/zenodo.6016527 |
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persistent identifier |
https://treatment.plazi.org/id/03C98799-C400-DB7E-FF67-FA0258ADFAD6 |
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treatment provided by |
Plazi |
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scientific name |
Diglyphus |
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Key to the European species of Diglyphus View in CoL View at ENA
1. Scape predominantly to completely pale (e.g. Figs 49–51 View FIGURES 49 – 60 , 67–70 View FIGURES 61 – 71 )...............................................2
- Scape predominantly to completely dark (e.g. Figs 52–64 View FIGURES 49 – 60 View FIGURES 61 – 71 ).....................................................7
2(1). Fore femur pale ( Figs 1–6 View FIGURES 1 – 8 , 31, 32 View FIGURES 31 – 36 , 42 View FIGURES 37 – 42 ).....................................................................3
- Fore femur with at least base dark brown and ±metallic ( Figs 40, 41 View FIGURES 37 – 42 ).............................................6
3(2). Mesoscutum green, scutellum and axillae purple ( Figs 15, 16 View FIGURES 9 – 16 ); hind femur variable, usually dark and metallic in basal ¾– ¼ (e.g. Fig. 42 View FIGURES 37 – 42 ), sometimes totally pale; male: marginal vein not thickened, gaster with a pale spot subbasally ( Fig. 16 View FIGURES 9 – 16 )................................................................................ D. pusztensis (Erdös & Novicky)
- Mesoscutum and scutellum with same colour: green, golden-green, bluish, or purple ( Figs 1–6 View FIGURES 1 – 8 ); male: gaster and marginal vein variable.............................................................................................4
4(3). Mesoscutum and scutellum metallic purple or golden-green with purplish reflections ( Figs 5, 6 View FIGURES 1 – 8 ); hind femur pale ( Figs 5, 6 View FIGURES 1 – 8 ) (very occasionally small males can have basal ½ of hind femur brown); male: marginal vein strongly enlarged, at least 1.2× as wide as width of costal cell at level of base of marginal vein ( Fig. 77 View FIGURES 72 – 77. 72 – 73 ); male gaster with a pale spot subbasally ( Fig. 6 View FIGURES 1 – 8 ); on average a smaller species (0.9–1.4 mm)........................................................ D. clematidis sp. n.
- Mesoscutum and scutellum green, golden-green or bluish; hind femur dark and metallic in basal ½ ( Figs 31, 32 View FIGURES 31 – 36 ); male: gaster and marginal vein variable; on average larger species (1.2–2.1 mm).............................................. 5
5(4). Female antenna with first funicular 1.0–1.2× and second funicular 1.0× as long as wide ( Figs 1 View FIGURES 1 – 8 , 49 View FIGURES 49 – 60 ); male: gaster with a pale spot subbasally ( Fig. 2 View FIGURES 1 – 8 ), marginal and stigmal veins narrow, marginal vein 0.4× as wide as width of costal cell at level of base of marginal vein ( Fig. 2 View FIGURES 1 – 8 )................................................................. D. albiscapus Erdös
- Female antenna with first funicular 1.6× and second funicular 1.3× as long as wide; male: gaster without a pale spot subbasally
( Fig. 4 View FIGURES 1 – 8 ), marginal and stigmal veins enlarged, marginal vein 0.8× as wide as width of costal cell at level of base of marginal vein ( Figs 4 View FIGURES 1 – 8 , 74 View FIGURES 72 – 77. 72 – 73 )................................................................... D. anadolucus Doganlar View in CoL 6(2). Hind tibia with basal ¾ dark ( Figs 13, 14 View FIGURES 9 – 16 , 40 View FIGURES 37 – 42 )................................................ D. poppoea Walker View in CoL
- Hind tibia dark at base only ( Figs 17, 18 View FIGURES 17 – 30. 17 – 28 , 41 View FIGURES 37 – 42 ), occasionally completely pale......................... D. sabulosus Erdös
7(1). Fore wing speculum with dense setation ( Fig. 73 View FIGURES 72 – 77. 72 – 73 )............................................................ 8
- Fore wing speculum with sparse setation (e.g. Fig. 72 View FIGURES 72 – 77. 72 – 73 )........................................................9
8(7). Mesoscutum green to blue, contrasting against purple scutellum ( Figs 23, 24 View FIGURES 17 – 30. 17 – 28 ); setae on pronotum and mesoscutum dark........................................................................................ D. eleanorae Graham View in CoL
- Mesoscutum and scutellum with about the same green or blue-green colour ( Figs 9, 10 View FIGURES 9 – 16 ) (very occasionally coppery), scutellum sometimes golden and mesoscutum green; setae on pronotum and mesoscutum pale.................... D. isaea (Walker) View in CoL
9(7). Femora pale ( Fig. 44 View FIGURES 43 – 48. 43 – 44 ).................................................................. D. subplanus (Erdös)
- Femora predominantly dark (e.g. Figs 33 View FIGURES 31 – 36 , 39, 40 View FIGURES 37 – 42 )........................................................... 10
10(9). Tibiae completely pale ( Fig. 39 View FIGURES 37 – 42 )....................................................... D. pachyneurus Graham View in CoL
- At least hind tibia with a dark ring at base ( Fig. 33 View FIGURES 31 – 36 ), usually with all tibiae at least partly dark (e.g. Figs 34 View FIGURES 31 – 36 , 40 View FIGURES 37 – 42 ).......... 11
11(10). Hind tibia predominantly pale with a dark ring at base ( Fig. 33 View FIGURES 31 – 36 ), dark ring can be weak.............. D. begini (Ashmead) View in CoL
- Hind tibia predominantly dark (e.g. Figs 34 View FIGURES 31 – 36 , 40 View FIGURES 37 – 42 )............................................................12
12(11). Scape with at least basal ¼ pale ( Figs 65, 66 View FIGURES 61 – 71 )................................................ D. poppoea Walker View in CoL
- Scape completely dark (e.g. Figs 54, 56 View FIGURES 49 – 60 , 61 View FIGURES 61 – 71 ), or with very base pale............................................. 13
13(12). Males..............................................................................................14
- Females............................................................................................17
14(13). Fore wing with marginal vein thick, 0.9–1.1× as wide as width of costal cell at level of base of marginal vein ( Figs 8 View FIGURES 1 – 8 , 75 View FIGURES 72 – 77. 72 – 73 )........................................................................................ D. crassinervis Erdös
- Fore wing with marginal vein slender, 0.5× as wide as width of costal cell at level of base of marginal vein (e.g. Figs 12 View FIGURES 9 – 16 , 7 2 View FIGURES 1 – 8 )....................................................................................................15
15(14). Fore wing with stigmal vein short, 2.5× as long as wide ( Fig. 30 View FIGURES 17 – 30. 17 – 28 ).............................. D. propodealis Szelényi
- Fore wing with stigmal vein long and slender ( Fig. 29 View FIGURES 17 – 30. 17 – 28 ), 3.4–4.1× as long as wide..................................16
16(15). Flagellum stout, e.g. first flagellomere 1.5× as wide as width of pedicel, and flagellomeres densely clothed with short setae ( Fig. 55 View FIGURES 49 – 60 ); scutellum green ( Fig. 22 View FIGURES 17 – 30. 17 – 28 )....................................................... D. chabrias (Walker) View in CoL
- Flagellum slender, e.g. first flagellomere 1.2× as wide as width of pedicel, and flagellomeres with longer setae that are more sparsely situated ( Fig. 62 View FIGURES 61 – 71 ); scutellum purple ( Fig. 12 View FIGURES 9 – 16 )......................................... D. minoeus (Walker) View in CoL
17(13). Mesoscutum long ( Fig. 21 View FIGURES 17 – 30. 17 – 28 ), 0.72–0.86× as long as wide (mean = 0.80, n = 10)..................... D. chabrias (Walker) View in CoL
- Mesoscutum short ( Figs 7 View FIGURES 1 – 8 , 27 View FIGURES 17 – 30. 17 – 28 ), 0.63–0.70× as long as wide (mean = 0.66, n = 28).................................18
18(17). Scutellum purple ( Fig. 11 View FIGURES 9 – 16 ); main setae on mesonotum long and strong: posterior setae on midlobe of mesoscutum reach the transscutal articulation (Fig. 79a), anterior scutellar setae reach the base of posterior scutellar setae (Fig. 79c); mesopleuron and mesosternum violet-black to dark green; antenna with radicle and scape dark................... D. minoeus (Walker) View in CoL
- Scutellum green to golden-green, sometimes with coppery reflections; main setae on mesonotum slender and short: posterior setae on midlobe of mesoscutum do not reach transscutal articulation (Fig. 79b), anterior scutellar setae reach slightly longer than half the distance between bases of anterior and posterior setae (Fig. 79d); mesopleuron and mesosternum shiny metallic green to blue-green (e.g. Figs 35 View FIGURES 31 – 36 , 43 View FIGURES 43 – 48. 43 – 44 ); antenna with scape and radicle variable....................................19
19(18). Stigmal vein more slender (as in Fig. 29 View FIGURES 17 – 30. 17 – 28 ), 3.5× as long as wide; antenna with radicle and basal ¼ of scape pale................................................................................................ D. crassinervis Erdös
- Stigmal vein more stout ( Fig. 30 View FIGURES 17 – 30. 17 – 28 ), 2.5× as long as wide; antenna with radicle and scape dark........ D. propodealis Szelényi
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