Tibraca exigua Fernandes & Grazia, 1998,

Barros, Lurdiana D., Paim, Marcelo R., Krein, Verônica, Carabajal, Victor, Brandão, Marcela N., Bernardes, Paula De O. & Lindner, Mariana F., 2021, Illustrated guide to Pentatominae (Hemiptera: Pentatomidae) species associated with the four main grain crops in Rio Grande do Sul state, Brazil, Zootaxa 4958 (1), pp. 430-478: 468-469

publication ID

https://doi.org/10.11646/zootaxa.4958.1.27

publication LSID

lsid:zoobank.org:pub:303D300E-C17B-407C-A63B-53F906C5D825

DOI

http://doi.org/10.5281/zenodo.4692263

persistent identifier

http://treatment.plazi.org/id/F55187E5-FF82-FFB4-FF36-9B7B27B87819

treatment provided by

Plazi

scientific name

Tibraca exigua Fernandes & Grazia, 1998
status

 

Tibraca exigua Fernandes & Grazia, 1998 

( Figs 109–112View FIGURES 109–112)

Tibraca exigua Fernandes & Grazia, 1998: 1057  .

Material studied. Camaquã: 1♂, 08.V.1991, H. Moreira leg. ( UFRG)  . Pelotas: 1♀, VI.1991, Marcolin leg. ( UFRG)  ; 1♂, 10.VI.1990, M. N. Miranda leg. ( UFRG)  ; 1♂, 20.II.1991, P. Welzel leg. ( UFRG)  ; 1♂, V.1991, R. Zepra leg. ( UFRG)  ; 1♀, 28.IV.1991, R. Von Laer leg. ( UFRG)  ; 1♂, III.1991, Silveira leg. ( UFRG)  ; 1♂, 27.V.1994, J. T. Zanusso leg. ( UFRG)  ; VI.1990, 1♂, Costa leg. ( UFRG)  ; 27.IV.1993, 1♂, O. Maguelly leg. ( MCNZ)  ; 1♂, VI.1990, Marques leg. ( UFRG)  ; 1♂, V.1990, Schallens leg. ( UFRG)  ; 1♂, IV.1991, Monteiro leg. ( UFRG)  ; 1♂, 26.X.1994, I. M. Silva leg. ( UFRG)  ; 1♀, 17.III.1991, H. Gastal leg. ( UFRG)  ; 1♂, 17.V.1991, D. Chapon leg. ( MECB)  . São Francisco de Paula   : 1♀, 17–19.XII.2005, V. C. Matesco leg. ( UFRG)  .

Diagnostic features. Body dorsal and ventral surfaces dark castaneous ( Fig. 109, 111View FIGURES 109–112). Head longer than wide. Mandibular plates shorter than clypeus, rounded apically ( Fig. 110View FIGURES 109–112). Clypeus robust and raised above the mandibular plates. Antennomere 2 smaller than the first ( Fig. 110View FIGURES 109–112, red arrow). Anterolateral margins of pronotum impunctate or rarely punctate at the lateral portion ( Fig. 110View FIGURES 109–112). Internal angles of cicatrices of pronotum with pale yellow callosity. Humeral angles slightly developed ( Fig. 110View FIGURES 109–112).Apex of radial vein of corium with pale yellow callosity. Connexivum castaneous with margin light castaneous and a small black spot at the apex ( Fig. 109View FIGURES 109–112). Body length: 9.00–12.00 mm ( Fernandes & Grazia 1998).

Recorded host plants. Rice ( Fernandes & Grazia 1998).

Distribution in Rio Grande do Sul. Camaquã, Canguçu, Capão do Leão, Pelotas and São Francisco de Paula ( Fig. 112View FIGURES 109–112).

Comments. This species is similar to T. limbativentris  , being differentiated by its darker color and smaller body size.

UFRG

Instituto de Biologia

MCNZ

Porto Alegre, Museu de Ciencias Naturais da Fundacao Zoo-Botanica do Rio Grande do Sul

MECB

Universidade Federal de Pelotas, Museu Entomologico Ceslau Biezanko

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Pentatomidae

Genus

Tibraca

Loc

Tibraca exigua Fernandes & Grazia, 1998

Barros, Lurdiana D., Paim, Marcelo R., Krein, Verônica, Carabajal, Victor, Brandão, Marcela N., Bernardes, Paula De O. & Lindner, Mariana F. 2021
2021
Loc

Tibraca exigua

Fernandes, J. A. M. & Grazia, J. 1998: 1057
1998