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Three New Reports of Subsocial Tortoise Beetles from South America (Chrysomelidae: Cassidinae)
ABSTRACT Subsociality is known in 35 species in 10 genera of the chrysomelid subfamilies Cassidinae and Chrysomelinae. In Cassidinae, the behavior is clustered in two tribes, Eugenysini andExpand
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Elevation and temporal distributions of Chrysomelidae in southeast Brazil with emphasis on the Galerucinae
Abstract In this study we present an ecological pattern of elevation and temporal variations found in the Chrysomelidae in one of the highest mountains in southeastern Brazil. Monthly surveys usingExpand
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Biology and ecology of Mecistomela marginata (Thunberg, 1821) (Hispinae: Alurnini) in Brazil
The Hispinae are a relatively homogeneous subfamily in the Chrysomelidae most of which feed on monocot leaves, mainly Graminae and Palmae. Their larvae are usually leaf miners or free feeders betweenExpand
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Chrysomelinae species (Coleoptera, Chrysomelidae) and new biological data from Rio de Janeiro, Brazil
Abstract Chrysomelinae is one of the largest subfamilies in Chrysomelidae, yet much basic information remains unknown for Neotropical species. The present study aims to compile the first regionalExpand
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SEED PREDATION BY A BRACONID WASP, ALLORHOGAS SP. (HYMENOPTERA)
We record the first case of phytophagy among the Braconidae. The larvae of an unidentified species of Allorhogas have been observed feeding on Pithecellobium tortum (Le guminosae) seeds in restingaExpand
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A chalcid wasp acts chiefly as a hyperparasitoid by mostly using small uncommon hosts
Although ovipositing insects may predominantly use resources that lead to high offspring quality, exceptions to this rule have considerably aided understanding of oviposition decisions. We report theExpand
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First report on the diversity of insects trapped by a sticky exudate of the inflorescences of Vriesea bituminosa Wawra (Bromeliaceae: Tillandsioideae)
Vriesea bituminosa Wawra (Bromeliaceae) inflorescences produce a sticky and abundant mucilage, covering their entire surface. Insects get trapped in this exudate when visiting the inflorescences andExpand
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Male–male contests for mates, sexual size dimorphism, and sex ratio in a natural population of a solitary parasitoid
Understanding how different behavioural and life history traits interact is fundamental to developing ethological theory. Here we study the interaction of male-male competition for mates and sexualExpand
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ELEVATIONAL RANGES AND LOCAL EXTINCTION RISK OF BEETLES OCCURRING IN THE “CAMPOS DE ALTITUDE” IN SOUTHEASTERN BRAZIL
The mountaintops of the Atlantic Rainforest in Southeastern Brazil are dominated by high altitude grasslands, named Campos de Altitude (CA). Considering the location and the smaller habitat areas ofExpand
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