The female pupa was the only known preimaginal stage of Cryptotylus unicolor (Coscarón & Poi de Neiff 1996). From larvae collected on Pistia stratiotes (repollito de agua) in lagoons of Chaco geographic area, we obtained mature larvae, pupae and imagoes of both sexes of C. unicolor. From the same place we collected another larva that changed to the pupa stage in the laboratory, emerging finally...

Two new monotypic spittlebug genera and their type species in the family Machaerotidae, subfamily Enderleiniinae, are described and illustrated: Labramachaerota korupa gen. & sp. n. (with type locality in Cameroon) and Kyphomachaerota maaia gen. & sp. n. (with type locality in Sarawak, Malaysia).

Spittlebugs are the leading cause of damage to tall grasses. Annual losses are estimated to reach 2.1 billion dollars in sugarcane crops and grazing land throughout the world. Correct identification of these species is difficult due to similarities in color, body size and male genitalia. Molecular markers have been useful in the identification and assessment of genetic diversity of many species...

Numerous specimens of Calydiscoides spp. from Lethrinus nebulosus and L. harak, and fewer specimens from L. lentjan, L. ravus and L. obsoletus, collected off New Caledonia, South Pacific, were examined. Three species of Calydiscoides were recognized. Calydiscoides difficilis (Yamaguti, 1953) Young, 1969 was generally the most abundant species on the five hosts. Specimens of C. difficilis were m...

Since three bullhead catfish species were introduced to Europe in the late 19th century, they have spread to most European countries. In Hungary, the brown bullhead (Ameiurus nebulosus) was more widespread in the 1970s-1980s, but the black bullhead (Ameiurus melas) has gradually supplanted since their second introduction in 1980. The introgressive hybridization of the two species has been presu...

Previous studies on the phylogeography of the meadow spittlebug Philaenus spumarius (L.) (Hemiptera: Aphrophoridae) suggest the existence of a contact zone of its main phylogenetic lineages along mountain chains in Europe and western Asia. This study presents a detailed examination of the population genetics of P. spumarius within the Carpathian Mountains. The main objective was to determine wh...

The Staphylinini genus Ocyolinus Sharp, 1884 is revised. Three species are described as new, O. astenos Chatzimanolis & Ashe sp. n., O. dimoui Chatzimanolis & Ashe sp. n. and O. nebulosus Chatzimanolis & Ashe sp. n., all from Panama. A lectotype is designated for O. rugatus Sharp, 1884 and O. vulneratus Bernhauer, 1906. Ocyolinus vulneratus Bernhauer is placed in synonymy with O. rugatus Sharp....