Tabanus Linnaeus
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publication ID |
https://doi.org/ 10.11646/zootaxa.3691.5.3 |
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publication LSID |
lsid:zoobank.org:pub:DEC4E044-FB5A-49D1-A6BA-449A07D43A26 |
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DOI |
https://doi.org/10.5281/zenodo.6150949 |
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persistent identifier |
https://treatment.plazi.org/id/F74BAC24-E228-3518-FF73-C7C5F789FEC7 |
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treatment provided by |
Plazi |
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scientific name |
Tabanus Linnaeus |
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Key to species of Tabanus Linnaeus View in CoL in Egypt
1 Eyes dichoptic (females)................................................................................ 2
- Eyes holoptic (males)................................................................................. 19
2 Lower callus lacking or reduced, occupying less than 3/4 width of frons; basicosta covered with yellowish hairs.. [ Atylotus View in CoL ]
- Lower callus usually distinct and broad, occupying at least 3/4 width of frons; basicosta densely and entirely covered with black hairs [ Tabanus View in CoL ]................................................................................. 3
3 Subcallus entirely smooth ( Fig. 3 View FIGURE 3 G)..................................................................... 4
- Subcallus entirely dusted ( Figs 3 View FIGURE 3 A, C, D, E, F, H, I, K), at most smooth on the upper margin ( Figs 3 View FIGURE 3 B, J)............... 6
4 Subcallus flat, with 3 semicircular furrows around each antenna ( Fig. 3 View FIGURE 3 L); abdomen lilac-brown........ T. unicinctus Loew View in CoL
- Subcallus bulging, without furrows ( Fig. 3 View FIGURE 3 G); abdomen blackish.............................................. 5
5 Eyes with microsetae; subcallus gently bulging; frons parallel-sided; R4 with appendix appearing in at least one wing........................................................................................... T. leucostomus Loew View in CoL
- Eyes bare; subcallus strongly bulging ( Fig. 1 View FIGURE 1 H); frons with sides not parallel ( Fig. 3 View FIGURE 3 G); R4 without appendix in either wing ( Fig. 4 View FIGURE 4 F)............................................................................... T. mordax Austen View in CoL
6 Subcallus partly smooth on its upper margin in contact with lower callus ( Figs 3 View FIGURE 3 B, J)................................ 7
- Subcallus entirely dusted............................................................................... 8
7 Abdomen greyish with 4 longitudinal, elongated and separated brown spots ( Fig. 5 View FIGURE 5 B); R4 without appendix in either wing ( Fig. 4 View FIGURE 4 C)............................................................................... T. arenivagus Austen View in CoL
- Abdomen blackish-brown to black with row of grey median triangles, and with 2 separated whitish-grey longitudinal spots, longest on segment 2 ( Fig. 5 View FIGURE 5 H); R4 with appendix on at least one wing ( Fig. 4 View FIGURE 4 I)...................... T. sufis Jaennicke View in CoL
8 Eyes with microsetae; antennae strongly contrasting with all segments orange and flagellum black ( Fig. 2 View FIGURE 2 B).... lunatus Fabricius View in CoL
- Eyes bare; antennal segments not obviously contrasting...................................................... 9
9 Red species........................................................................................ 10
- Greyish brown, brown or blackish species................................................................. 11
10 Abdomen with 2 longitudinal blackish stripes; R4 without appendix in either wing................... T. terminalis Walker View in CoL
- Abdomen not striped; R4 with appendix in at least one wing...................................... T. siccus Walker View in CoL
11 Frons with sides not parallel ( Figs 3 View FIGURE 3 A, D, E, I)............................................................ 12
- Frons with parallel sided ( Figs 3 View FIGURE 3 C, H, K)................................................................. 16
12 Parafacial band distinct; middle callus less developed, often indistinct ( Fig. 3 View FIGURE 3 E)....................... T. leleani Austen View in CoL
- No parafacial band; middle callus well developed.......................................................... 13
13 Abdomen blackish-brown with 2 longitudinal white oval separated spots and row of grey median triangles ( Fig. 5 View FIGURE 5 A)............................................................................................. T. albifacies Loew View in CoL
- Abdomen greyish with four longitudinal brown stripes ( Figs 5 View FIGURE 5 D, G)........................................... 14
14 R4 with appendix on at least one wing ( Fig. 4 View FIGURE 4 H); middle callus quadrate shape ( Fig. 3 View FIGURE 3 I)............. T. separatus Efflatoun View in CoL
- R4 without appendix on either wing; middle callus oval shape ( Fig. 3 View FIGURE 3 D)........................................ 15
15 Narrow bodied, elongate species, more than 12 mm; scape pinkish color; abdomen with inner margin of the two median stripes parallel, not expanded.................................................................. T. accensus Austen View in CoL
- Small species, less than 12 mm; scape grayish white color; abdomen with inner margin of the two median stripes expanded on terga 3 and 4 ( Fig. 5 View FIGURE 5 D)..................................................................... T. gratus Loew View in CoL
16 R4 with appendix on at least one wing ( Fig. 4 View FIGURE 4 G); with parafacial band on each side of antennae; middle callus crescent shape ( Fig. 3 View FIGURE 3 H).............................................................................. T. rupinae Austen View in CoL
- R4 without appendix on either wing; no parafacial band; middle callus otherwise shape............................ 17
17 Antennae uniformly reddish yellow; abdomen yellowish brown with 4 longitudinal blackish stripes, terga 1 and 2 with black spot at middle, terga 4–6 with blackish spots on lateral margins ( Fig. 5 View FIGURE 5 J)...................... T. ptolemaeanus Szilády View in CoL
- Antennae not uniformly colored; abdomen not as above ( Figs 5 View FIGURE 5 C, I)............................................ 18
18 Abdomen tapered at both ends ( Fig. 5 View FIGURE 5 I); scutellum black with reddish-brown apex; lower callus in females large, square- shaped, middle callus elongated ( Fig. 3 View FIGURE 3 K).......................................... T. taeniola Palisot View in CoL de Beauvois
- Abdomen broad ( Fig. 5 View FIGURE 5 C); scutellum greyish-brown; lower callus in females elongate-ovoid or drop-shaped, middle callus very narrow ( Fig. 3 View FIGURE 3 C)................................................................ T. autumnalis Linnaeus View in CoL
19 Basicosta covered with yellowish hairs, at most with few black hairs on apical margin; most species with head deeply concave posteriorly and convex anteriorly ( Fig. 1 View FIGURE 1 A); R4 with appendix on at least one wing ( Figs 4 View FIGURE 4 A, B)............... [ Atylotus View in CoL ]
- Basicosta densely and entirely covered with black hairs; most species with head broad, not convex anteriorly or concave poste- riorly ( Fig. 1 View FIGURE 1 D), if convex anteriorly ( Figs 1 View FIGURE 1 C,E), R4 lacking appendix on either wing ( Figs 4 View FIGURE 4 F, J) (except T. leucostomus View in CoL ), if concave posteriorly not strongly convex anteriorly ( Fig. 1 View FIGURE 1 B) Tabanus View in CoL ]......................................... 20
20 Eyes with microsetae................................................................................. 21
- Eyes bare.......................................................................................... 22
21 Subcallus flat, entirely dusted; antennae strongly contrasting with all segments orange and flagellum black; R4 lacking appen- dix on either wing...................................................................... T. lunatus Fabricius View in CoL
- Subcallus gently bulging, entirely smooth; antennae black, flagellum indistinctly reddish at extreme bases; R4 with appendix on at least one wing.................................................................. T. leucostomus Loew View in CoL
22 Subcallus strongly bulging, entirely smooth................................................... T. mordax Austen View in CoL
- Subcallus flat, entirely dusted, at most smooth on ventral margin.............................................. 23
23 Subcallus partly smooth on upper margin in contact with lower callus.......................................... 24
- Subcallus entirely dusted............................................................................. 25
24 Abdomen blackish-brown to black with row of grey median triangles and with 2 separated whitish-grey longitudinal spots that are longest on segment 2; R4 with appendix on at least one wing.................................. T. sufis Jaennicke View in CoL
- Abdomen greyish with 4 longitudinal, elongated and separated brown spots; R4 lacking appendix on either wing.............................................................................................. T. arenivagus Austen View in CoL
25 Parafacial band distinct............................................................................... 26
- No parafacial band.................................................................................. 27
26 Antennae reddish brown; R4 with appendix on at least one wing................................... T. rupinae Austen View in CoL
- Antennae black; R4 without appendix on either wing............................................. T. leleani Austen View in CoL
27 Body length more than 14 mm ......................................................................... 28
- Body length less than 14 mm .......................................................................... 29
28 Eyes with sharply distinct band ( Fig. 1 View FIGURE 1 E); abdomen tapered at both ends; scutellum black with reddish-brown apex.................................................................................... T. taeniola Palisot View in CoL de Beauvois
- Eyes with less distinct band ( Fig. 1 View FIGURE 1 B); abdomen broad; scutellum greyish-brown................. T. autumnalis Linnaeus View in CoL
29 Brownish black species; abdomen blackish-brown with 2 longitudinal white oval separated spots and row of grey median tri- angles................................................................................. T. albifacies Loew View in CoL
- Greyish brown species; abdomen greyish with four longitudinal brown stripes................................... 30
30 R4 with appendix; post occipital rim broad; antennal scape brownish grey........................ T. separatus Efflatoun View in CoL
- R4 lacking appendix; post occipital rim narrow; antennal scape pinkish or yellowish grey.......................... 31
31 Scape yellowish grey; abdomen with inner margin of two median stripes expanded on terga 3 and 4......... T. gratus Loew View in CoL
- Scape pinkish; abdomen with inner margin of two median stripe parallel, not expanded............... T. accensus Austen 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.