The taxonomic diversity, D*, of an assemblage measures the degree to which individuals represent species from a range of disparate taxonomic groups, vs. a small number of similar taxa. Taxonomic breadth, D+, likewise ...

In this account the authors present an up-to-date taxonomical catalogue of the entomological bibliography from the Azores. In this journal the authors also presented a thematic entomological catalogue (VIEIRA & BORGES, ...

Acyrthosiphon daphnidis n. sp. is described from Daphne gnidium (Thymelaceae) in the Canary Islands and Portugal. It is close to Acyrthosiphon caraganae and A. loti but the alate viviparous female bears secondary rhinaria ...

Aiptasia mutabilis is an actinian found in areas of the Atlantic and Mediterranean. Its habitat extends as far South as the Gulf of Guinea but STEPHENSON (1935) and CARLGREN (1949) doubted its presence in the Canarian ...

The island groups of Socotra and Macaronesia are situated East and West aside the African continent in comparable Northern latitude and for Socotra under a similar climate regime to the Cape Verde Islands. Striking floristic ...

In a study to evaluate impacts in low order streams of the State of Sao Paulo, 4 streams in areas of sugar cane cultivation, 2 in pasture and 3 in preserved natural habitat were sampled. From the 51 Chironomidae species ...

From 1984 onwards, about 15,000 bryophyte collections (UTM grid-based) have been made on the Canary Islands. the collections served in preparing a checklist. The bryophyte flora of the canary Islands to data, consists of ...

Area cladograms based on cladistic analyses of two genera of flowering plants, Lobularia, Brassicaceae, and Nauplius, Asteraceae, were compared. These genera have three areas of endemisms in common: (1) The continental ...

The micromorphology of trichomes present on different organs of Teucrium abutiloides l' Herit. (Lamiaceae) is described. This rare endemic plant species of Madeira has a large leaf surface covered by a dense indumentum of ...

The dracon tree, Dracaena draco L., an inhabitant of the Madeiran, Cape Verdean, and Canary Islands, occurs in two growth forms: 1) with a tall, cylindrical, and relatively slender trunk and an umbrella-like canopy, and ...