Ambracius mexicanus Carvalho

Ferreira, Paulo Sérgio F. & Henry, Thomas J., 2010, Revision of the genus Ambracius Stål, 1860 (Heteroptera: Miridae: Deraeocorinae: Clivinematini), with descriptions of three new species, Zootaxa 2485, pp. 1-15 : 8

Ambracius mexicanus Carvalho

(Fig. 5)

Ambracius mexicanus Carvalho, 1984: 322 (n. sp.); Schuh, 1995: 588 (cat.).

Diagnosis: Head with two longitudinal black stripes on vertex. Pronotum with a large median, black stripe, widening from anterior to posterior margins; lateral margin of pronotum carinate. Scutellum black. Hemelytron with clavus uniformly or predominantly black; corium without a transverse stripe; membrane fuscous.

Redescription: Female holotype (Fig. 5): Body length 4.20; width 1.68. Head length 0.40; width 0.78; distance between eyes 0.38; length of antennal segments I 0.33, II 1.10, III 0.43, IV 0.25. Pronotum length 0.95; width 1.58; cuneal length 0.63; length from anterior margin to transverse suture 0.34. Hind leg lengths: Femur 1.24; tibia 1.86; tarsus 0.30. Scutellum length 0.58; width 0.64. Hemelytron length 2.80 mm; width 1.02; length from base to cuneal fracture 1.84; length from cuneal fracture to apex of membrane 0.96; cuneal length 0.63; cuneal width 0.45.

General coloration brownish orange, with fuscous to black areas. Head yellowish, apex of clypeus and two longitudinal stripes on vertex black; eye reddish brown, antenna black; pronotum brownish orange; calli and large central fascia extending from collar to posterior margin of pronotum black. Scutellum black. Hemelytron brownish orange, with clavus and inner margin of corium dark brown; membrane fuscous. Ventral side reddish brown; femora dark reddish brown, paler on basal thirds or halves; fore tibia yellowish, narrowly darker brown at base, middle and hind tibiae reddish brown on basal half, paler distally. Pronotum punctate, covered with adpressed setae; lateral margins of pronotum carinate; labium [imbedded in glue], reaching to about hind coxae.

Male: Unknown

Distribution: Mexico.

Host plant: Unknown.

Material examined: Holotype Ƥ: Mexico City, Mexico, 9 July 1933, H. E. Hinton and R. L. Usinger ( USNM).

Discussion: Carvalho’s (1984) description was based on two females from Mexico City, Mexico. This species is distinguished from other species of the genus by the general body coloration.