The orchid-bee fauna of 'Reserva Particular do Patrimônio Natural Feliciano Miguel Abdala', a 957-ha preserve of Atlantic Forest in eastern Minas Gerais, southeastern Brazil, was surveyed 12 years after the first inventory in the area. Orchid-bee males were actively collected with insect nets when attracted to seventeen chemical compounds used as scent baits. Three hundred and nineteen males be...

A novel karyotype with 2n = 50, FN = 48, was described for specimens of Thaptomys collected at Una, State of Bahia, Brazil, which are morphologically indistinguishable from Thaptomys nigrita, 2n = 52, FN = 52, found in other localities. It was hence proposed that the 2n = 50 karyotype could belong to a distinct species, cryptic of Thaptomys nigrita, once chromosomal rearrangements observed, alo...

Sigmodontinae rodents represent one of the most diverse and complex components of the mammalian fauna of South America. Among them most species belongs to Oryzomyini and Akodontini tribes. The highly specific diversification observed in both tribes is characterized by diploid complements, which vary from 2n = 10 to 86. Given this diversity, a consistent hypothesis about the origin and evolution...

Climate warming is predicted to affect species and trophic interactions worldwide, and alpine ecosystems are expected to be especially sensitive to changes. In this study, we used two ongoing climate warming (open-top chambers) experiments at Finse, southern Norway, to examine whether warming had an effect on herbivory by leaf-chewing insects in an alpine Dryas heath community. We recorded feed...

A novel karyotype with 2n = 50, FN = 48, was described for specimens of Thaptomys collected at Una, State of Bahia, Brazil, which are morphologically indistinguishable from Thaptomys nigrita, 2n = 52, FN = 52, found in other localities. It was hence proposed that the 2n = 50 karyotype could belong to a distinct species, cryptic of Thaptomys nigrita, once chromosomal rearrangements observed, alo...

The study was carried out to determine the morphometric indices and parasitic incidence of 160 fresh samples Synodontis nigrita comprising 80 each female male sexes. Fish were obtained from catches local fishermen along Lower River Benue at Wadata fish landing site State. Length–weight relationship analyzed using equation W=aLb. condition factor determined equation, K=100W/L3. Samples later sub...

The endemic Chinese psyllid genus Cornopsylla Li is reviewed with a revised generic diagnosis. Cornopsylla zanthoxylae Li and C. trichotoma Li are redescribed, and Cornopsylla magna sp. nov. and C. rotundiconis sp. nov. are described. Keys to adults and nymphs of this genus are given, and the systematic position of Cornopsylla is reviewed. The potential of Cornopsylla spp. as major pests on cul...

Species within the genus Gallerucida Motschulsky recorded in Taiwan are revised. Gallerucida bifasciata Motschulsky 1861 G. lutea Gressitt & Kimoto 1963 G. sauteri Chûjô 1938 and G. shirozui Kimoto 1969 are redescribed. Sphenoraia chujoi Lee 2014 is proposed as a junior synonym of G. flaviventris (Baly 1861). Gallerucida thoracica (Jacoby 1888) is recorded as new for Taiwan and redescribed. Lec...