The aim of this study was to develop nanoemulsion containing soft extract of stem bark of Rapanea ferruginea to improve the topical delivery and anti-inflammatory activity. The extract of R. ferruginea stem bark was incorporated into the oily phase of the nanoemulsion by the method of phase inversion at low energy. The developed nanoemulsion had an average droplet size of 47.88±8.20 nm and a po...

Costalimaita ferruginea (Coleoptera: Chrysomelidae) attacks Eucalyptus plants causing severe damage through netting of the leaves. Recently, this Coleoptera has been reported attacking Myrtaceae in Mato Grosso State and, studies about the occurrence of this beetle in commercial plantations of eucalypts has been the subject of researchers through monitoring programmes in the forest protection ar...

Exocelina baliem sp. n. is described from the Baliem Valley in the Central Mountain Range of New Guinea (Papua Province, Indonesia). Having striolate elytra, different structure and setation of the male and female genitalia and tarsomeres, and inhabiting swampy ponds, the new species differs from all known New Guinea species, which have smooth elytra and are stream associated. It forms a monoph...

Ectomycorrhizal (ECM) fungal composition was examined in a Pinus tabulaeformis Carr. forest. A total of 28 root samples of P. tabulaeformis were collected in June and September. Thirty-five ECM morphotypes were identified according to ECM morphological characters, and 26 ECM fungi were identified based on the analyses of ITS-RFLP and ITS sequences. Tomentella, Sebacina, and Tuber were common ge...

The morphology and ultrastructure of the Dufour gland of a pseudomyrmecine ant is de­ scribed. The gland has an unusually large volume but possesses a very thin epithelial lining. Its morphology does not constitute a specific subfamily character as in some ant subfamilies. Analysis by gas chromatography-mass spectrometry of the glands of three species showed them all to be rich in saturated lin...

For over 80 years prior to the work of Cholodny (1924, 1926) the twisted ribbons of ferric hydroxide found in iron-bearing waters were described as living organisms of the genera Gallionella and Spirophyllum. These early observations have been conveniently summarized and evaluated by Pringsheim (1949), so that at the present time Spirophyllum may be considered synonymous with Gallionella. It re...