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Xylotrechus rameyi, new species, (Coleoptera: Cerambycidae) is described from southern Utah. Comments on its biology including habitat, host plants and larval history are provided along with photographs of the holotype, allotype, the related species X. insignis LeConte, and the larval galleries and pupal chamber.
Epimelitta postimelina Giesbert, 1996 and Odontocera apicula Bates, 1885 are transferred to the new genus Odontomelitta. Epimelitta postimelina, with closed procoxal cavities, cannot remain in Epimelittta Bates, 1870, a genus characterized by open procoxal cavities. The short elytra and tegmen (with caliper-shaped lateral lobes) of the aedeagus of both species excludes them from the genus Odontocera Audinet-Serville, 1833, with long elytra and tegmen (with strap-shaped lateral lobes). Both species are illustrated, and host plant and host flower records provided for O. apicula.
Species descriptions, keys to genera and species, and geographical distributions are presented for 43 species of the family Bruchidae (Coleoptera: Chrysomeloidea) for Chile. Of these species, seven are described as new:
Acanthoscelides aricae sp. nov., Lithraeus chillan sp. nov., L. comptus sp. nov., L. elguetai sp. nov., L. limari sp. nov., L. lonquimay sp. nov., and L. penai sp. nov. Eight species are endemic to Chile. A list of true host plants and floral records for those with known host associations is presented. Habitus photographs and drawings of pertinent body parts, including male genitalia, are provided. References pertaining to the previously described species are listed.
For the first time in Brazil, the weevil Cissoanthonomus tuberculipennis Hustache, 1939 (Coleoptera: Curculionidae) are reported preying on seeds of Cardiospermum grandiflorum Swartz (Sapindaceae). Observations are presented on oviposition and larval behavior, pupation site, and adult emergence. Photos of host plant, egg, larva, pupa and adult are provided.
El objetivo de este trabajo fue determinar las especies de cocoideos (Hemiptera: Sternorrhyncha: Coccoidea) presentes en Sierra del Rosario y Sierra de los Órganos, Cordillera de Guaniguanico, provincia de Pinar del Río; así como, obtener la relación de sus plantas hospedantes. Se revisaron las Colecciones Zoológicas del Instituto de Ecología y Sistemática (CZACC), Cuba, las publicaciones cubanas sobre cocoideos y ScaleNet, que es una base de datos de los cocoideos del mundo. Se realizó una representación cartográfica de las localidades de recolección sobre un mapa a escala de 1:250000, utilizando el programa MapInfo Professional Versión 4.5. Se hallaron 53 especies de cocoideos, agrupados en 42 géneros y seis familias, de las cuales 11 especies se registraron por primera vez para el área de estudio: Coccus longulus (Douglas, 1887), Kilifia acuminata (Signoret, 1873), Parasaissetia nigra (Nietner, 1861), Protopulvinaria pyriformis (Cockerell, 1894), Pseudokermes vitreus (Cockerell, 1894), Aspidiella sacchari (Cockerell, 1893), Duplaspidiotus tesseratus (Grandpré & Charmoy, 1899), Pinnaspis aspidistrae (Signoret, 1869), Pinnaspis strachani (Cooley, 1899), Pseudoparlatoria parlatorioides (Comstock, 1883), y Eriococcus sp. Se relacionaron 54 especies de cocoideos y 36 familias de plantas hospedantes con nuevos registros de éstas. Palabras clave. Coccoidea, Sternorrhyncha, Hemiptera, plantas hospedantes, nuevos registros, Cuba.
At Topes de Collantes Natural Park, Alturas de Trinidad, in the mountains of Guamuhaya province of Sancti Spiritus, Cuba, 30 species of scale insects belonging to 21 genera, four families and an endemic species were identifi ed. Specimens were deposited at the insect zoological collection of the Ecology and Systematics Institute (CZACC), Cuba. A literature review was carried out and the world data base on scale insects, ScaleNet was consulted. A cartographic map indicating the collecting sites at the scale of 1: 250,000 was created using MapInfo Professional Version 4.5 program. Twelve species are recorded for the fi rst time for the mountains of Guamuhaya and further 10 species are recorded for other locations. 82% of the species were polyphagous, 11% were oligophagous and 7% were monophagous. 57% were introduced species, 43% were native and 79% are cosmopolitan or widely distributed species. 30 species and 21 families of host plants were identifi ed, of which 23 plant species were new host plant records for 19 scale insect species, and 11 botanical families are for the fi rst time recorded as hosts for 10 scale insect species. There were signifi cant differences in the distribution of scale insects and their host plant species, botanical families and vegetation type.
Redescription of adult and observations of the weevil Revena plaumanni Bondar (Coleoptera: Curculionidae), preying on seeds of the palm tree Butia eriospatha (Mart. ex Drude) Becc. (Arecaceae), as well as oviposition and larval behavior, pupation site, and adult emergence are reported for the fi rst time in Brazil. Photos of host plant, immature forms (egg, larva and pupa) and adult are given. Illustrations of male and female genitalia are also provided.