Dilasia foveicollis ( Champion, 1900 )

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 : 27-28

Dilasia foveicollis ( Champion, 1900)

( Figs. 86–87 )

Lasiochilus foveicollis Champion, 1900: 309 .

Dilasia foveicollis: Carpintero, 2002: 27 .

Diagnostic characters: Measurements, see Table IV. Male: Characterized by the following combination of characters: small size; general coloration dark brown, with antennae, labium, legs, and hemelytra (excepting cuneus) paler. Antennal segment II almost subequal than length of head, thick; antennal segments (I:II:III:IV) 1: 2.4: 2.1: 2.1; head wide and not prolonged anteriorly ( Fig. 95 ), short and thick forefemora armed with short spines on the basal half of inner margin ( Fig. 97 ); foretibiae armed with spines and a medium-sized pad ( Fig. 96 ); a midfovea present on centre of pronotum; ostiolar peritreme opening acute apically, prominence of metasternum long, wide and with short hairs at apex ( Fig. 98 ); copulatory spines long and slender ( Fig. 99 ); left paramere short and wide, widened apically and with extreme apex acute ( Fig. 100 ). Female: With parietovaginal gland inapparent, seventh sternite with small punctures centrally ( Fig. 101 ). Antennal segments (I:II:III:IV) 1: 2.4: 2.2: 2.2.

Distribution: Costa Rica, Nicaragua, Panamá, Grenada, Jamaica, Saint Vincent. Trinidad is a new distributional record ( Fig. 49 ).

Material examined: Holotype. PANAMA: ♂ Type B. C. A. Rhynch II. Lasiochilus foveicollis Champion , David. BMNH; COSTA RICA: ♀ on orchid at Miami, 7-VIII-1948, R. S. Hills, 48-B478. USNM; NICARAGUA: ♀ Masaya, Las Flores, UVL, VI-1993, Lecoq & Cantarena. MACN; JAMAICA: ♀ Sta. Maria, 23-VII-1969, K. Stanton, BM1969-506. BMNH; GRENADA: 2 ♂, 4 ♀ Mount Gay Est. , (Leeward Side) H. H. Smith, 95–206. BMNH; ♂ same data (slide-mounted). MACN; ♂ Soubise, (Windward Side), H. H. Smith, 95–206; BMNH; 3 ♀ Balthazar, Winward Side, H. H. Smith. BMNH; ♀ same data (slide-mounted). MACN; TRINIDAD: ♀ Curepe, XI / XII-1976, F. D. Bennett, BM 1977-371. BMNH; SAINT VINCENT: ♂ ♀ Leeward Side, H. H. Smith, 95–206. BMNH.

Discussion: Differs from D. cuscoensis and D. sulcatus , species having left paramere with extreme apex acute, by the shorter size, presence of teeth on the inner margin of forefemora of males, particular shape of metasternum, with short hairs, and short and wide left paramere.

Figures

FIGURES 86–94. Species of genus Dilasia. 2. 86, D. foveicollis Male; 87, Idem. Male, holotype (1.75 mm); 88, D. fuscula Female, syntype (2.83 mm); 89, D. galateae; 90, D. microps; 91, Idem. Female holotype (2.53 mm); 92, D. neotropicalis Female holotype (2.65 mm); 93, D. punctipennis (2.56 mm); 94, Idem. Male holotype.

FIGURES 95–101. D. foveicollis. Male. 95, Head and pronotum. Foretibiae showing the spines (Sp) on internal margin and pad (Fos); 96, Apical half of foretibia; 97, Spines on foretrochanter (Tsp) and base of internal margin of forefemur (Fsp); 98, Metasternum; 99, Copulatory spines (Csp); 100, Detail of left paramere. Female. 101, Genitalia.

FIGURES 48–49. Distribution of Dilasia (I, II).