Rhagovelia robusta
Creators: name: Magalhães, Oséias Martins
name: Moreira, Felipe Ferraz Figueiredo
name: Galvão, Cleber
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Veliidae
Rhagovelia
Rhagovelia robusta

description: Key to the species of the Rhagovelia robusta group from Brazil
[based on apterous males; modified from Floriano & Moreira (2015)]
1 Hind tibia with several subequal spines, excluding apical spur (Fig. 7).......................................... 2
- Hind tibia with one or more spines greater than others, excluding apical spur...................................... 7
2 Sides of abdominal segment VII bearing patches of small black denticles (Fig. 6, 23)................................ 3
- Sides of abdominal segment VII without patches of small black denticles......................................... 4
3 Hind trochanter without spines or spinules; hind femur bearing a short to medium spine between the proximal row of spinules and its longest spine; paramere as in Fig. 20 ......................... R. sooretama Moreira, Nessimian & Rúdio, 2010
- Hind trochanter with 1–4 subequal spinules plus a longer spine on distal portion (Fig. 7); hind femur without short to medium spine between the basal row of spinules and its longest spine (Fig. 7); paramere as in Fig. 11 .............................................................................................. R. brunae Magalhães & Moreira, sp. nov.
4 Proepisternum lacking minute black denticles............................................................... 5
- Proepisternum bearing minute black denticles (sometimes in small numbers and only visible at higher magnifications)..... 6
5 Body length about 3.20 mm; hind trochanter with small subequal spines plus one much longer spine; paramere as in Fig. 9 ................................................................................. R. amazonensis Gould, 1931
- Body length 3.75–3.85 mm; hind trochanter only with small subequal spines; paramere as in Fig. 17 ........................................................................................ R. pseudotijuca Moreira & Barbosa, 2011
6 Abdominal terga V and VI laterally pruinose with ovate brown spots centrally; abdominal tergum VII with a dark yellowish spot centrally; hind femur with a long, sharp spine removed dorsally from the 2 rows of spines along the posterior margin; paramere as in Fig. 21 ................................................................ R. traili (White, 1879)
- Abdominal terga V and VI dull black, lacking ovate brown spots centrally; abdominal tergum VII shining black, lacking a dark yellowish spot centrally; hind femur lacking a long, sharp spine removed dorsally from the 2 rows of spines along the posterior margin; paramere as Fig. 16 ..................................................... R. plaumanni Polhemus, 1997
7 Hind trochanter without spines; hind femur with three regular rows of spines, without large conical spine near center; paramere as in Fig. 22 ............................................................... R. zecai Moreira & Barbosa, 2014
- Hind trochanter with at least one spine; if unarmed (rarely in R. bocaina), then hind femur with a large conical spine near center and several irregular rows of spines; paramere with different shape.......................................... 8
8 Sides of abdominal segment VII bearing patches of small black denticles (as in Figs. 6, 23); hind trochanter armed with small subequal spines plus one to three larger spines............................................................. 9
- Sides of abdominal segment VII lacking patches of small black denticles; hind trochanter armed only with small subequal spines or unarmed (rarely in R. bocaina)................................................................. 10
9 Dorsal coloration, including legs and antennae, uniformly orange brown, not heavily marked with black on appendages; hind femur bearing a long, sharp spine near middle displaced dorsally from the main rows of spines along posterior margin; paramere as in Fig. 15 ................................................................. R. palea Bacon, 1956
- Legs and antennae heavily marked with black on dorsal surface; hind femur lacking a long, sharp spine displaced dorsally from the main rows of spines along posterior margin; paramere as in Fig. 13 ......................... R. jubata Bacon, 1948
10 Small black denticles absent from jugum and adjacent region of proepisternum; anterior margin of hind femur bearing numerous long, erect pilose setae in addition to the typical stout, erect black setae; paramere as in Fig. 12 ................................................................................................... R. guianana Polhemus, 1997
- Small black denticles present on jugum and adjacent region of proepisternum (sometimes in small numbers and only visible at higher magnifications); anterior margin of hind femur lacking numerous long, erect pilose setae, bearing only scattered stout, erect black setae; paramere with different shape............................................................ 11
11 Pronotum yellowish brown, orange brown or brown, lighter on anterior lobe; middle trochanter pale to light yellow..... 12
- Pronotum mostly dark brown to black, strongly contrasting with yellowish brown or orange brown mark on anterior lobe; middle trochanter dark brown to black....................................................................... 13
12 Distal 2/3 of hind femur with 6 irregular rows of spines; paramere as in Fig. 10 ....... R. bocaina Moreira & Ribeiro, 2009
- Distal 2/3 of hind femur with 3 more regular rows of spines; paramere as in Fig. 14 .... R. kararao Floriano & Moreira, 2015
13 Hind femur with two parallel regular rows of spines, without large spine dorsally displaced; paramere as in Fig. 18 .......................................................................................... R. relicta Gould, 1931
- Hind femur with 3–4 irregular rows of spines, with a large spine near its middle dorsally displaced from others; paramere as in Fig. 19 ............................................................................ R. robusta Gould, 1931
description: Published as part of Magalhães, Oséias Martins, Moreira, Felipe Ferraz Figueiredo & Galvão, Cleber, 2016, A new species of Rhagovelia Mayr, 1865 (Hemiptera: Heteroptera: Veliidae) from Pará State, with an updated key to Brazilian species of the robusta group, pp. 586-594 in Zootaxa 4171 (3) on page 591, DOI: 10.11646/zootaxa.4171.3.12, http://zenodo.org/record/256803