Rheumatobates

Castro-Vargas, Maria I. & Morales-Castaño, Irina T., 2011, The Rheumatobates Bergroth, 1892 (Hemiptera: Heteroptera: Gerridae) of Colombia, including the description of R. plumipes n. sp. and a key to represented species, Zootaxa 3040, pp. 1-18 : 17

publication ID

https://doi.org/ 10.5281/zenodo.202584

DOI

https://doi.org/10.5281/zenodo.6192522

persistent identifier

https://treatment.plazi.org/id/7F3387E6-C049-FF87-FF03-FE32FA659FBA

treatment provided by

Plazi

scientific name

Rheumatobates
status

 

Key to the species of Rheumatobates View in CoL occurring in Colombia

1. Male hind legs unmodified ( Figs. 8 View FIGURE 8 a, 10a and 11a)........................................................... 2

- Male hind legs modified (presence of protuberances, tufts of setae, chitinous structures, etc.) ( Figs. 3 View FIGURE 3 a–e)................ 5

2. Male antennae modified (segments curved, widened) ( Figs. 2 View FIGURE 2 a–g)............................................... 3

- Male antennae unmodified ( Fig. 8 View FIGURE 8 a)....................................................................... 4

3. Male antennal segment I with base as wide as apex ( Fig. 2 View FIGURE 2 f). Male fore femur thickened at base, with a laterobasal projection and a row of long setae at inner margin. Male fore femur without row of spines ( Fig. 10 View FIGURE 10 a). Male hind femur not extended anteriorly ( Fig. 10 View FIGURE 10 a). Male sternites V, VI and VII concave, with tufts of long setae, which are directed to sternite III ( Fig. 10 View FIGURE 10 a). Female with tergite VIII subquadrate, with several setae ( Fig. 10 View FIGURE 10 b); and gonocoxae not directed upward................................................................................................ R. carvalhoi Drake & Harris View in CoL

- Male antennal segment I narrow at basal 1/3, thickened towards apex, with a distal dilated projection ( Fig. 2 View FIGURE 2 g). Male fore femur without a laterobasal projection, with a row of 10 to 11 irregular spines at inner ventrolateral margin ( Fig. 11 View FIGURE 11 a). Male hind femur anteriorly extended into a chitinous structure that reaches the apical region of the coxa ( Fig. 11 View FIGURE 11 a). Male sternites V, VI and VII no concave, without distinct tufts of setae. Female with tergite VIII subtriangular, with two long setae on each side ( Fig. 11 View FIGURE 11 b); and gonocoxae slightly directed upward............................ R. probolicornis Polhemus & Manzano View in CoL

4. Male fore femur with a row of setae at inner margin, without row of spines. Female with connexiva rounded at apex ( Fig. 9 View FIGURE 9 a); tergite VIII subpentagonal ( Fig. 9 View FIGURE 9 a); gonocoxae not directed upward..................... R. minutus minutus Hungerford View in CoL

-. Male fore femur without row of setae at inner margin, with a row of spines at lateroventral inner margin, doubled at basal half ( Fig. 8 View FIGURE 8 a). Female with connexiva short and subquadrate at apex; tergite VIII subrectangular, longer than wide ( Fig. 8 View FIGURE 8 b); gonocoxae slightly directed upward........................................................ R. clanis Drake & Harris View in CoL

5. Male fore legs modified (presence of apical indentations) ( Fig. 1 View FIGURE 1 a)................................. R. plumipes View in CoL n.sp.

- Male fore legs unmodified ( Figs. 4 View FIGURE 4 a, 5a, 6a, 7a).............................................................. 6

6. Male hind trochanter thickened from base to apex. Male hind femur with a pedunculated T-shaped structure at inner margin ( Figs. 3 View FIGURE 3 a and b)....................................................................................... 7

- Hind trochanter of male thickened at base, and reduced towards apex. Male hind femur without T-shaped structure ( Figs. 3 View FIGURE 3 c and d)............................................................................................... 8

7. Male hind trochanter in dorsal view with two teeth-like projections ( Fig. 3 View FIGURE 3 c). Antennal segment I with a row of three to four long stout setae at mediolateral region ( Fig. 2 View FIGURE 2 c). Antennal segment III with a wide medioventral projection and an indentation occupying the distal half ( Fig. 2 View FIGURE 2 c). Female connexiva acute at apex; female tergite VIII subrectangular, longer than wide ( Fig. 5 View FIGURE 5 b)................................................................................. R. bergrothi Meinert View in CoL

- Male hind trochanter without such projections ( Fig. 3 View FIGURE 3 b). Antennal segment I with a group of setae at ventral margin ( Fig. 2 View FIGURE 2 b). Antennal segment III with a small projection at medioventral margin ( Fig. 2 View FIGURE 2 b). Female connexiva rounded at apex, tergite VIII subtriangular ( Fig. 4 View FIGURE 4 b).................................................................... R. imitator (Uhler) View in CoL

8. Male antennal segment IV with a row of four long stout setae, followed by four shorter erect setae ( Fig. 2 View FIGURE 2 e). Male fore femur with four long setae at basal region and three long setae at apical region ( Fig. 7 View FIGURE 7 a). Base of hind femur of male subquadrate ( Fig. 3 View FIGURE 3 e). Female antennal segment IV almost twice as long as III; tergite VIII subtriangular ( Fig. 7 View FIGURE 7 b)................................................................................................... R. crassifemur esakii Schroeder View in CoL

- Male antennal segment IV with all setae more or less of the same size ( Fig. 2 View FIGURE 2 d). Male fore femur with a row of short setae at inner margin ( Fig. 6 View FIGURE 6 a). Base of hind femur of male rounded ( Fig. 3 View FIGURE 3 d). Female antennal segment III shorter; tergite VIII subquadrate ( Fig. 6 View FIGURE 6 b)........................................................... R. crassifemur crassifemur Esaki View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Gerridae

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