Dilasia sulcata ( Champion, 1900 ) Carpintero, 2014

Carpintero, Diego Leonardo, 2014, Western Hemisphere Lasiochilinae (Hemiptera: Heteroptera: Anthocoridae) with comments on some extralimital species and some considerations on suprageneric relationships, Zootaxa 3871 (1), pp. 1-87 : 39-40

Dilasia sulcata ( Champion, 1900) n. comb.

( Fig. 140 )

Lasiochilus sulcatus Champion, 1900: 310 .

Diagnostic characters: Measurements, see Table IV. Male: Characterized by the following combination of characters: head and pronotum reddish brown, hemelytra, tibiae and labium brown; antennae, underside of body, legs and labium, paler. Length of antennal segment II equal to length of head, slightly thickened towards apex; antennal segments (I:II:III:IV) 1: 2.5: -: -; head prolonged anteriorly from base of antennae; hemelytra smooth, dorsal pilosity long, sparse; anterior lobe of pronotum smooth, with median sulcus; posterior lobe rugose; foretibiae armed with acute and slightly curved spines; pad small ( Fig 159 ); copulatory spines on left margin of sternite VI, small and thick ( Fig. 160 ); pygophore with punctures on dorsal surface ( Fig. 161 ); left paramere widened subapically and apically acute ( Fig. 162 ); aedeagus not armed with lateral and subapical feather-like structures. Female: Similar to male in measurements and coloration. Antennal segments (I:II:III:IV) 1: 2.8: 2.1: 2.2.

Distribution: Panama, Venezuela. ( Fig. 144 ).

Material examined: Holotype PANAMA: ♀ “Typus” David in Chiriqui, Lasiochilus sulcatus Ch. BMNH ; ♀ Barro Colorado, CZ, 4/ 11-VII-1941, J. Zetek, No 4835. MACN; ♂ Idem (slide-mounted). MACN; VENEZUELA: ♀ 23-VII-1945, intercepted at San Francisco. USNM.

Discussion: This species is characterized by the median sulcus on anterior lobe of pronotum. Differs from D. sulcicollis , a species also having a median sulcus on anterior lobe of pronotum, by having the body not flattened dorso-ventrally, as well as by having an apically acute left paramere.

Figures

FIGURE 144. Distribution of Dilasia (III).

FIGURES 137–143. Species of genus Dilasia. 3. 137, D. reuteri Female (2.63 mm); 138, Idem. Syntype; 139, D. similis Female, holotype; 140, D. sulcata Female (2.31 mm); 141, D. sulcicollis Male (3.05 mm); 142, D. unicolor Male; 143, D. varicolor Female (2.12 mm).

FIGURES 159–162. D. sulcata. Male. 159, Apical half of foretibia showing the spines (Sp) on internal margin and pad (Fos); 160, Copulatory spines (Csp); 161, Punctures on dorsal surface on pygophore (PP); 162, Detail of left paramere.