Diagnostic morphological features of the new species Colpoclypeus michoacanensis Sanchez & Figueroa (Hymenoptera: Eulophidae)

Genus Colpoclypeus Lucchese is classified in the subfamily Eulophinae, although it is not clear whether it is better placed in the tribe Eulophini or Cirrospilini because the members of this genus displaying characters with intermediate conditions. Previous to 2010, Colpoclypeus florus (Walker) was the unique nominal species, but it was recently described the second species, C. michoacanensis Sánchez & Figueroa, reared from the leafroller Argyrotaenia montezumae Walsingham (Tortricidae) on blackberry plants, Rubus sp., from Michoacán, Mexico. The objective of this work is to show the diagnostic morphological features of C. michoacanensis. Description is based principally in females, although the male characters also are mentioned. Body color is metallic dark blue-green except the metasoma, which is yellowish with a dark band dorsally; legs yellowish with medial area of femora dark; body length 1.53 to 2.01 mm. Head with a transverse sulcus just ventral to anterior ocellus; antenna with two funicle and three claval segments and clypeus broadly bilobed with a distinct median incision. On the mesosoma it is observed a transepimeral groove almost straight with the upper mesepimeron smooth and the lower mesepimeron slightly sculptured; scutellum without submedian grooves; propleura meeting medially for about half medial length, separated posteriorly so as to expose posterior part of prosternum; propodeum smooth with a strong median carina; forewing with postmarginal vein 0.77–0.83 times as long as stigmal vein. On the metasoma, the ovipositor length is 0.38–0.64 times as long as hind tibia. Sexual dimorphism on C. michoacanensis is evident; male is smaller than female (1.11–1.66 mm); fore femur very swollen, two times as long as wide; antennae with three funicle and two claval segments; male genitalia with the subgenital plate exposed, aedeagus elongate and bifid; digitus with 4 or 5 apical teeth. We acknowledge CIC-UMSNH support.