Scymnus (Pullus) horni Gorham, 1897

Nestor-Arriola, Jorge I., Clark, Shawn M. & Niño-Maldonado, Santiago, 2022, Taxonomic and Distributional Notes on the Genus Scymnus Kugelann, 1794 (Coleoptera: Coccinellidae) in Mexico, The Coleopterists Bulletin 76 (3), pp. 299-328 : 319

Scymnus (Pullus) horni Gorham, 1897 Figs. 63–65

Scymnus (Pullus) horni Gorham 1897: 229 . Casey 1899: 144. Leng 1920: 213. Korschefsky 1931: 159. Gordon 1976: 172. Gordon 1985: 216.

Scymnus horni : Blackwelder 1945: 444.

Diagnosis: Length 2.0 to 2.2 mm; width 1.4 to 1.6 mm. Dorsal color black, except head and lateral margins of pronotum yellow to orange; ventral color black, except legs, mouthparts, antennae and last two ventrites yellow to orange. Male first ventrite with small, central, asetose triangular area; fifth ventrite emarginate, depressed; sixth ventrite depressed. Male genitalia with lateral alae almost as long as penis guide ( Fig. 64 ); parameres narrow, shorter than penis guide ( Fig. 63 ).

Material Examined: Eight specimens ( FIC) .

Distribution: United States of America and Mexico ( Gordon 1976, 1985). In Mexico, this species has previously been collected in the states of Baja California Norte, Chihuahua, Coahuila, Nuevo León, Sonora, Tamaulipas and Veracruz ( Gorham 1897; Rodríguez-Vélez et al. 2016; Ruíz and Coronado 2002).

New Localities: OAXACA: (5♀, 3♀) Oaxaca ( FIC) .

Figures

Figs. 63–68. Scymnus spp., male genitalia (figures are not to same scale). S. horni: 63) Tegmen, lateral view; 64) Tegmen, ventral view; 65) Penis. S. howdeni: 66) Tegmen, lateral view; 67) Tegmen, ventral view; 68) Penis.