Dufouriellus Kirkaldy, 1906

Carpintero, Diego Leonardo & Dellapé, Pablo Matias, 2008, Rajburicoris, a new genus of Cardiastethini, and discussion of the systematic position of Dufouriellus (Hemiptera: Heteroptera: Anthocoridae), Acta Entomologica Musei Nationalis Pragae 48 (2), pp. 503-509 : 508-509

Dufouriellus Kirkaldy, 1906

Dufouriellus Kirkaldy, 1906: 121 . Type species: Xylocoris ater Dufour, 1833 , by monotypy.

Dufouriellus: PÉRICART (1972) (redescription); HENRY (1988) (catalogue); PÉRICART (1996) (catalogue); CARPINTERO (2002) (catalogue).

Material examined. Dufouriellus ater . ARGENTINA: 1 ♀, Buenos Aires ( City ), 7.ix.1908, J. B. ( DCBA) ; 1 J 4 ♀♀, Buenos Aires (Province) ( DCBA) ; 3 JJ 2 ♀♀, J. C. Paz , iv.1969 ( DCBA) ; 1 ♀, Lezama , xi.1968 ( DCBA) . CHILE: 1 J, Curicó, Los Niches , xii.1996, leg. J. E. Barriga ( DCBA) ; 1 ♀, Fundo, El Coihue , 15 km E. Potrero Grande, ii.1998, Malaise trap, J. E. Barriga ( DCBA) ; 1 J 1 ♀, Aconcagua, San Felipe , 18.iii.1981, R. H. González ( DCBA) .

Redescription. Male. Subglabrous and smooth except a row of shallow punctures on basal half of corial margin of claval suture.

Head. Rostrum reaching fore coxae. Row of setae behind posterior margin of eyes absent.

Thorax. Scutellar foveolae absent. Exocorium without flattened setae. Ratio between apex of exocorium (between veins C and Sc) and endocorium (between Sc and claval suture): equal to 1: 2.67. Sc long, reaching cuneus. Cuneal fracture well marked. Stub of membrane absent. Tibiae without teeth. Fossula spongiosa absent in all legs. Scent gland channel large, little protruded, curved anteriorly, almost reaching anterior margin of metapleuron and with short carina reaching that margin, groove short and straight. Supracoxal area restricted to margin of metapleuron. Subdorsal area wide, specially towards middle of dorsal margin of metapleuron. Evaporatorium with quadrangular hat-like structures, not limiting a well-defined alveolus, and perpendicular trabeculae joining 4-6 adjacent hats.Apical margin of metasternum rounded, without apical sulci.

Genitalia. Pygophore without specialized formations.

Female. Abdomen without evident meso- or ectodermic genital structures.

Distribution. This genus includes a single species, Dufouriellus ater (Dufour, 1833) , distributed in the Holarctic and southern Neotropical Regions.