Results 81 to 90 of about 54,083 (243)
Behavioural effects of juvenile hormone and their influence on division of labour in leaf-cutting ant societies [PDF]
Division of labour in social insects represents a major evolutionary transition, but the physiological mechanisms that regulate this are still little understood.
Hughes, William O H, Norman, Victoria C
core +2 more sources
The increase of cytogenetic data in the leaf-cutting genus Acromyrmex has shown interesting contributions to the evolutionary and taxonomic approaches, including the creation of a new genus and the description of chromosomal patterns allowing ...
Luísa Antonia Campos Barros +4 more
doaj +1 more source
Different percentages of ANT affected the physical and mechanical characteristics of the film. The results indicated that this produced film is a useful tool for monitoring the freshness of food products.. ABSTRACT In recent years, growing environmental concerns have promoted the use of natural and biodegradable polymers in food packaging applications.
Ebrahim Biabani Aghdam +3 more
wiley +1 more source
Understanding community assembly for wild species in anthropogenic settings has become increasingly important as biodiversity and ecosystem services are threatened by development pressures. Urban hardscape habitats such as parking lots are widespread, extreme, terrestrial anthropogenic environments that influence plant community assembly by way of ...
Lauren J. Frazee +3 more
wiley +1 more source
Collective action in ant control: [PDF]
Leaf-cutting ants (Atta. cephalotes) represents a serious problem to farmers in many parts of Latin America and accounts of ants eating up a whole cassava plot or destroying one or more fruit trees overnight are not uncommon.
de la Cruz, Ana Milena +3 more
core
Passiflora clypeophylla, an endemic species to the Guatemalan karstic forests last seen in 1889 and deemed extinct, was rediscovered in the Department of Alta Verapaz, east of Cobán. The species was known only from a single specimen hailed from the type locality, Rubel Cruz, where it has been found again. An additional location has been identified in a
J.R. Kuethe +3 more
wiley +1 more source
Management of droughty site: Typic Quartzipsamments, ecological considerations [PDF]
Pine plantations on Typic Quartzipsamments in East Texas are difficult to establish. Forest management options following clearcutting are limited. A 12 year regeneration study of the growth and survival of loblolly, Pinus faeda, L. shortleaf, P. echinata
Cahal, R. R. +3 more
core +1 more source
Taxonomy and diversity of Marcgraviaceae, north of the São Francisco river, northeast Brazil
This study provides a comprehensive assessment of Marcgraviaceae species diversity north of the São Francisco river in northeastern Brazil, analyzing species richness and distribution patterns across 384 000 km² of phytogeographic domains. Through field collections, herbarium studies (both physical and digital), and detailed morphological analyses, we ...
Thales Carvalho +4 more
wiley +1 more source
Atividade inseticida de Eugenia uniflora L. e Melia azedarach L. sobre Atta laevigata Smith
As formigas cortadeiras estão entre os principais insetos pragas das florestas plantadas brasileiras, causando danos econômicos desde a implantação até a sua colheita.
Paulo Henrique Jung +5 more
doaj +1 more source
New Light on the Systematics of Fungi Associated with Attine Ant Gardens and the Description ofᅠEscovopsis kreiseliiᅠsp. nov. [PDF]
Since the formal description of fungi in the genus Escovopsis in 1990, only a few studies have focused on the systematics of this group. For more than two decades, only two Escovopsis species were described; however, in 2013, three additional Escovopsis ...
Meirelles, Lucas A. +3 more
core +1 more source

