Taxonomy of Tabanus trivittatus species-group (Diptera: Tabanidae), with description of five new species
Author
Carmo, Daniel D. D.
Author
Henriques, Augusto L.
text
Zootaxa
2019
2019-02-08
4554
1
63
100
journal article
27580
10.11646/zootaxa.4554.1.2
d41c057e-5b64-4634-84dc-bd5f56a9d789
1175-5326
2623296
986112BE-6ABB-47FE-BA8F-CECEF1C21A5D
Key to known males of
Tabanus trivittatus
species-group. Adapted from
Fairchild (1976)
1 Ventral half (inflated portion) of subcallus wholly bare and shiny (
Figs. 6C
,
8C
).................................... 2
- At least ventral half of subcallus pruinescent (
Figs. 2C
,
20C
,
26C
,
28C
).......................................... 5
2 Middorsal abdominal stripe very broad (
Fig. 6A
). Dorsolateral barely visible.........................
T. argentivittatus
- Middorsal abdominal stripe not so broad. Dorsolateral obviously evident.......................................... 3
3 All femora black, strongly contrasting with yellow tibiae (
Fig. 8B
)......................................
T. callosus
- At least mid and hind femora yellow, not contrasting with the yellow and yellow haired tibiae......................... 4
4 Dorsolateral abdominal stripes a series of oval patches.................................................
T. schadei
-
Dorsolateral abdominal stripes continuous......................................................
T. restrepoensis
5 Area of large facets of the eye distinctly pilose.............................................................. 6
- Area of large facets of the eye bare........................................................................ 7
6 Postpedicel long and slender (
Fig. 26D
). Abdomen banded ventrally....................................
T. trivittatus
-
Postpedicel short and broad. Abdomen unbanded ventrally.............................................
T. palpalis
7 Subcallus with a dorsal triangular shiny area (
Fig. 2C
)........................................
T. albocapillus
sp.n.
- Subcallus entirely pruinescent, without shiny area (
Figs. 20C
,
28C
).............................................. 8
8 Middorsal abdominal stripe broad and even, dorsolateral stripes faint or absent. Occipital band of small facets very narrow.............................................................................................
T. unistriatus
- Middorsal abdominal stripe narrower than the well-marked dorsolateral stripes. Occipital band of small facets wide..................................................................................................
T. rhizonshine