Dendrocoris inermis, Thomas & H. Brailovsky, 1999

Dendrocoris inermis , new species

(Figures 1,5, 12, 16)

Description. Dorsal color reddish-tan with anterolateral pronotal margin before humeri dark brown. Cicatrices concolorous with pronotal disk. Venter yellow with black spot a t each angle of abdominal sternites. Length of body from jugal apices to abdominal terminus, 6.7 mm; width across huineral angles, 4.5 mm ( Fig. 1).

Head. Vertex flat, densely dark punctate. Head length from ocelli to apex of juga longer than width across anteocular angles. Juga contiguous before tylus. Lateral margins of juga sinuate in dorsal view, smooth, without teeth. Dark brown stripe present just above antennifer. Antenna1 segment I shortest, 111,IV and vlongest, subequal. Rostrum attaining middle of metacoxae in repose. Length of head from jugal apices to imaginary line connecting ocelli, 1.3 mm; head width across anteocular an - gles, 1.3 mm.

Thorax.Anterolateral pronotal margins slightly but distinctly concave in dorsal view. Humeri angular and prominent but not produced. Pronotal length a t midline, 1.6 mm. Venation of hemelytral membrane simple;infuscated basally. Scutellar length, 2.7 mm.

Abdomen. Females with a weak tubercle or prominence a t base of venter; tubercle obsolescent in males. Laterotergites of connexivum pale or in some specimens a vague irregular pattern of dark punctations. Each angle of abdominal sternites with a large dark spot.

Genitalia. Male: lateral margins of medial emargination continued as low carinae on posterior face of pygophore. Base of each carina gives rise to a minute, black, tooth. Posterolateral margins of pygophoral rim bent entally as a rounded flange. Each flange with a small emargination near lateral angle ( Fig. 5).Paramere bidigitate, asymmetrical ( Fig. 12). Female: Eighth paratergite simple in outline, spiracles absent. Ninth paratergites terminating far from margin of eighth paratergite. First gonocoxites small ( Fig. 16).

Types. Holotype: Male [ UNAM], verbatim, hand-written label: MEXICO, Puebla, La Libertad, El Ahuacate , 27-V-94. H. Brailovsky . Allotype: Female [ UNAM], with same label data as holotype . Paratypes: Two females [ TAMU]: MEXICO: Oaxaca, 16.1mi. nw Totolapan . July 21,1974. Clarke, Murray, Ashe, Schaffner . One female [ DBT]: MEXICO: Oaxaca, 2.8 mi. E. Matatlan. July 24, 1974. Clarke, Murray, Ashe, Schaffner . One male, two females [EGER]: MEXICO: Oaxaca, 3 mi. SE. Matatlan (microondas road), elev. 6650 ft. July 17,1987. Kovarik, Schaffner . Two females [EGER]: MEXICO: Oaxaca, 3.4 mi. SE. Matatlan , August 6- 7, 1980. Schaffner, Weaver, Friedlander . One male [ DBT]: MEXICO: Oaxaca, 3.4 mi. SE. Matatlan , August 6 - 7,1980. Schaffner, Weaver, Friedlander . One female [EGER]: MEXICO: Oaxaca, 4.2 mi. northTonaltepec . July 21,1987. Kovarik, Schaffner . One female [ DAR]: Sierra Mixteca , C.A. Purpus S.V .

Etymology. the specific epithet inermis means "unarmed"; in reference to the lack of a tubercle at the base of the abdomen.

Remarks. The Sierra Mixteca is in the sta te of Oaxaca, Mexico.