<i>Stenodema longicuneata</i> (Carvalho and Rosas, 1966) (Hemiptera, Heteroptera, Miridae) in Patagonia: redescription, new synonym and geographic distribution

PEREYRA, PABLO M.; DIEZ, FERNANDO; COSCARÓN, MARÍA DEL CARMEN

doi:10.1590/0001-3765201920180774

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Biological Sciences • An. Acad. Bras. Ciênc. 91 (04) • 2019 • https://doi.org/10.1590/0001-3765201920180774 copy

Stenodema longicuneata (Carvalho and Rosas, 1966) (Hemiptera, Heteroptera, Miridae) in Patagonia: redescription, new synonym and geographic distribution

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract: The genus Stenodema Laporte, 1832 is a group of grass-feeding plant bugs worldwide distributed, with five species recorded for the Subantarctic sub-region (sunsuMorroneMORRONE JJ. 2015. Biogeographical regionalisation of the Andean region. Zootaxa 3936: 207-236. 2015). Males of Stenodema longicuneata (CarvalhoCARVALHO JCM and ROSAS AF. 1966. Mirídeos neotropicais, XCVI: nôvo gênero e espécie da fauna chilena (Hemiptera). Rev Bras Biol 26: 73-75. and Rosas, 1966) are redescribed and photographed. Stenodema laolaoensis (Carvalho, 1985) is proposed as a junior synonym of S. longicuneata. New geographic records are provided and distributional and biogeographic issues are discussed.

Key words
Argentina; Chubut; male redescription; plant bugs; Stenodema laolaoensis (Carvalho, 1985),; Stenodemini

Characters	S. longicuneatus	S. laolaoensis
Total length	10.80 (10.0-11.10)	11.5
Head length	0.94 (0.84-1.03)	0.90
Head width across eyes	1.06 (1.03-1.09)	1.02
Anteocular region length	0.48 (0.46-0.50)	0.5
Vertex	0.44 (0.43-0.44)	0.42
Width of eyes	0.31 (0.30-0.32)	0.30
Rostral length	3.20 (3.20-3.20)	3.30
Length of antennal segment I	1.85 (1.80-1.95)	1.83
Length of antennal segement II	4.38 (4.26-4.50)	4.72
Length of antennal segment III	2.56 (2.38-2.69)	2.70
Lenght of antennal segment IV	1.69 (1.65-1.73)	_
Pronotum length	1.11 (1.08-1.15)	1.12
Pronotum at minumun width	0.76 (0.73-0.77)	0.77
Pronotum at maximum width	1.84 (1.76-1.88)	1.73
Scutellar width at base	0.86 (0.72-1.02)	0.78
Scutellar length	1.04 (0.97-1.10)	1.05
Fore femora length	2.59 (2.38-2.80)	2.53
Middle femora length	2.11 (2.03-2.19)	2.10
Hind femora length	3.63 (3.46-3.73)	3.38
Fore femora width	0.18 (0.17-0.20)	0.18
Middle femora width	0.20 (0.17-0.25)	0.18
Hind femora width	0.23 (0.17-0.25)	0.28
Fore tibiae length	2.71 (2.53-2.80)	2.70
Middle tibiae length	2.74 (2.65-2.84)	2.73
Hind tibiae length	4.57 (4..42-4.76)	4.56
Fore tibiae width	0.15 (1.12-1.17)	0.13
Middle tibiae width	0.13 (1.12-1.15	0.12
Hind tibiae width	0.12 (0.10-0.13)	0.12
Hemelytra length	9.40 (9.20-9.70)	9.60
Cuneo length	2.48 (2.43-2.53)	2.48
Cuneo width	0.56 (0.55-0.58)	0.55
Abdominal length	3.45 (3.26-3.73)	_

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[1] Correspondence to: Pablo Martín Pereyra E-mail: pereyrapm8@gmail.com / mcoscaron@cadic-conicet.gob.ar ORCID: https://orcid.org/0000-0001-9977-680X