Banasa chaca Thomas, 1990

Garbelotto, Thereza de Almeida, Bianchi, Filipe Michels, Campos, Luiz Alexandre & Grazia, Jocélia, 2011, Contributions to the knowledge of Banasa Stål (Hemiptera, Heteroptera, Pentatomidae): Banasa chaca Thomas, Revista Brasileira de Entomologia 55 (3), pp. 451-453: 451-453

publication ID

http://doi.org/ 10.1590/S0085-56262011005000027

persistent identifier

http://treatment.plazi.org/id/876687BD-FFD9-FFFE-FC1F-FAAEFA91540E

treatment provided by

Tatiana

scientific name

Banasa chaca Thomas, 1990
status

 

Banasa chaca Thomas, 1990  

( Figs 1–10 View Figs )

Distribution. ARGENTINA: Misiones, Buenos Aires (NEW RECORD); BRAZIL: Santa Catarina.

Male ( Fig. 1 View Figs ). General color and morphology as described by Thomas & Yonke (1990) for the female holotype. Measurements (n = 5): head length (1.50–1.80); width (2.10–2.25); length of antennal segments: I (0.43–0.47); II (0.59–0.62); III (0.74–0.86); IV (0.98–1.09); V (1.17–1.21); pronotum length (1.80–2.10); width (4.80–5.40); scutelum length (3.00–3.60); width (3.15–3.60); body length (7.80– 8.40); abdominal width (4.80–5.10).

Genitalia. Pygophore subquadrangular, posterolateral angles truncate. Dorsal rim subrectilinear edged by dense setae ( Fig. 2 View Figs ). Ventral rim sinuous, deeply excavatedmesally ( Fig. 3 View Figs ). Surface of ventral wall shallowly depressed between posterolateral angles, projected dorsad partially covering parameres and proctiger posteriorly ( Fig. 4 View Figs ). Lateral margins delimiting this depression withdense setae ( Fig. 3 View Figs ). Parameres long and curved, apex subtriangular ( Figs. 5, 6 View Figs ). Proctiger slightly bilobate at apex ( Figs. 2, 3 View Figs ). Phallus simple, robust, longer than wide ( Figs. 7–9 View Figs ). Phallotheca bearing 1+1 basal processes. Conjunctiva covering ventro-laterally the base of vesica ( Figs. 8, 9 View Figs ). Vesica short, dorsally bilobed ( Figs. 7, 8 View Figs ); ductus seminis distalis curved, surpassing apexof vesica ( Figs 7–9 View Figs ).

Female. Measurements (n = 7): head length (1.50–1.90); width (2.10–2.4); length of antennal segments: I (0.40–0.50); II (0.40–0.60); III (0.80–1.10); IV (0.10–1.11); V (1.10–1.30); pronotum length (1.60–2.10); width (4.80–5.70); scutelum length (3.10–3.90); width (3.00–3.50); body length (8.40– 9.80); abdominal width (4.60–5.60).

Internal genitalia ( Figs. 10, 11 View Figs ). Gonapophyses 9 with 1+1 arched sclerotized areas close to elliptical ring sclerites (chitinellipsen, sensu Dupuis 1955). Thickening of the vaginal intima somewhat elliptical. Ductus receptaculi before the vesicular area subequal in lengthto this area. Pars intermedialis short, constrictedat base; anterior and posterior annularflanges directed toward ductus receptaculi. Capsula seminalis constricted at base, anterior lobe subequal in length to pars intermedialis, posterior lobe bearing two diverticula laterally directed; margin of capsula opposite to diverticula convex.

Comments. The inclusion of B. chaca   into the patagiata group is confirmed by characteristics of male pygophore, namely ventral rim with a deep, narrow, quadrate emargination ( Figs. 3, 4 View Figs , vr), and proctiger bilobate ( Figs. 2, 4 View Figs , p), as well as by the presence of two diverticula at capsula seminalis in thefemale internal genitalia ( Fig. 11 View Figs , di). Ilexparaguariensis Saint Hilaire   ( Aquifoliaceae   ) wasfirst recorded as a host of B. chaca   by Chiaradia & Milanez (2007).

Material examined: BRAZIL, Santa Catarina: Chapecó, 2 males, 2 females, 24/III/2004, Chiaradia, L. leg.; Hosp.: erva mate [–27.1000, –52.6000]; GoogleMaps   Imbituba, 1 male, 1994, Campos, L. A. leg. [–28.2333, –48.6667]; GoogleMaps   Araranguá, 1 male, 2009/IV/24, Bianchi, F. M. leg. [–29.03910, –49.52619] GoogleMaps   ; 1 male, 1 female, 2009/IV/30, Bianchi, F. M. leg. [–29.03910, –49.52619] GoogleMaps   ; 1 male, 1 female, 2009/V/18, Bianchi, F. M. leg. [–29.03910, –49.52619] GoogleMaps   . ARGENTINA, Buenos Aires: Castelar, 2 males, 3 females, 30/III/1995, Saini, E. leg.; s/ yerba mate [–34.6667, –58.6667] GoogleMaps   .

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Pentatomidae

Genus

Banasa