Leandro Silva Barbosa

Federal University of Rio de Janeiro | UFRJ · Departamento de Entomologia

RESUMEN Tuta absoluta (Meyrick) is a cosmopolitan pest that affects leaves and fruits, causing damage to crops. Various control techniques are used to eliminate adults and larvae; however, none of them is completely effective. Thus, this study tested the use of a light trap with an ultraviolet lamp and an electrical device to control T. absoluta in...

Few cases of insects as parasites of the Order Opiliones have been recorded so far, most of them involving Diptera. Only three cases have been recorded of phorids as parasitoids of the harvestmen family Gonyleptidae. Seven first-time events of Phoridae immatures on harvestmen (Cranaidae) are reported here. The cases describe puparia of Phoridae on...

Cartoons have always delighted adults and children alike. The thousands of possibilities that the drawings bring in their narratives stir everyone's imagination, especially children's. In addition to stimulating children's imagination, cartoons can help teachers in teaching science, especially in teaching Zoology. In this way, the present work revi...

The Macacu River is one of the main rivers that make up the basins that flow into the Guanabara Bay, being one of the main rivers that supply the cities of the metropolitan region of Rio de Janeiro. Plecoptera are aquatic insects of great importance for understanding the environmental quality of rivers, considering their sensitivity to variations...

As festas de boi são folguedos muito populares no Brasil, as quais apresentam diversas peculiaridades regionais Acredita se que as origens dessas manifestações sejam as festas de boi celebradas em Portugal ou mesmo os autos medievais, onde há encenações de lutas do bem contra o mal Entretanto, há quem defenda que tais celebrações surgiram no Brasil...

Resumo. Os Plecoptera depositados na Coleção Costa Lima da Universidade Federal Rural do Rio de Janeiro são apresentados em uma lista comentada. Um total de 16 espécimes, conservados em via seca, se encontram armazenados em uma gaveta única. Esses espécimes são representantes das duas famílias reportadas para o Brasil. Uma revisão é apresentada com...

Philornis larvae and pupae were collected in nestlings of Neothraupis fasciata (Lichtenstein), the White-banded Tanager (Passeriformes, Thraupidae), in three breeding seasons, between October and November 2003‑2005 in a reserve in central Brazil. Here, we present biological data, diagnosis to the recognition of the species and a key to the segregat...

Pseudoptilolepis Snyder, 1949 (Diptera: Muscidae) is a Neotropical genus with 10 known species. The present paper describes a new species from Parque Nacional do Itatiaia (PNI). Male and female terminalia were dissected and illustrated.

Resumo. No presente estudo procuramos entender o principal substrato de ocorrência de ninfas de Plecoptera (Insecta) em rios do Parque Estadual da Pedra Branca (Rio de Janeiro, RJ, Brasil). As coletadas das ninfas foram realizadas entre agosto/2008 a março/2009, em cinco riachos localizados a 200 m de altitude. Foram investigados cinco tipos difere...

Stephomyia Tavares, 1916 comprises seven species, all Neotropical: S. clavata (Tavares, 1920); S. epeugeniae Gagné, 1994; S. espiralis Maia, 1993; S. mina Maia, 1993; S. rotundifoliorum Maia, 1993; S. tetralobae Maia, 1993; and S. eugeniae (Felt, 1913). In the present study, a cladistic analysis based upon adult, pupa, larva and gall morphological...

Currently, Brazil consumes 3,72 millions tons of edible oils per year, where the majority is represented by soybean oil. However, the use of this oil and its disposal have generated a great impact not only on the health of its consumers, but also in the well being of the environment. The simple use of this oil generates oxidized cholesterol, a subs...

The pupal case of Systropus (Systropus) fumipennis is described, illustrated and photographed for the first time. A pupae was found inside an unidentified Limacodidae coocon (Insecta: Lepidoptera), and a male adult emerged, allowing the species identification.

The classic episode of biological invasion: Cochliomyia macellaria (Fabricius, 1775) versus Chrysomya megacephala (Fabricius, 1794) (Diptera: Calliphoridae) - evaluation of the biotic potential. The biotic of the native fly Cochliomyia macellaria and the exotic Chrysomya megacephala was compared, through the reproductive capacity and longevity. The...

Introduction:: Environmental modifications caused by human activities have led to changes in mosquito vector populations, and sylvatic species have adapted to breeding in urban areas. Methods:: Mosquitoes were collected using ovitraps in three sampling sites in the Atlantic Forest in the State of Rio de Janeiro, Brazil. Results:: We collected...

Kempnyia couriae sp. nov. is described from specimens (male, female, and nymphs) collected in Rio de Janeiro State, southeastern Brazil. This species is distinguished from its congeners by the male penial armature, having an elongate gonopore, surpassing the hooks, hooks with penial apex forming a globular membranous structure, and by ventrally cur...

Anacroneuria debilis (Pictet, 1841) have a large geographic range in South America. In this paper is presented biological notes of this species, mainly about the rearing and copulation. The immatures were collected in Pedra Branca State Park and the voucher deposited in Museu Nacional (UFRJ).

Plecoptera consists of a small order of insects that have aquatic larvae. They are usually found under stones and in leaf litter of clean, running water environments. Some species are adapted to lentic and oligotrophic environments. This work aimed to inventory the stonefly fauna of Rio Marambaia, from Ilha da Marambaia. The island has an area of 4...

Exsul Hutton (Diptera, Muscidae) is revised and the genus diagnosis is enlarged. The female of Exsul singularis Hutton is described for the first time. The male and female terminalia of all species are described and illustrated. Exsul alfredoi sp. n. is described and illustrated and compared with the other known species. A key to separate the speci...

The nymph of Anacroneuria debilis (Pictet, 1841) is described, being the first immature of this genus described in Brazil. It can be distinguished from other described Anacroneuria nymphs by: (1) the presences of a row of fine, long bristles along the tibia; (2) by the absence of long bristles on the frons; (3) due to its distinctive color pattern;...

In this paper the larva of Kempnyia gracilenta (Enderlein) and the larva and female of K. reticulata (Klap{lek) from the state of Espírito Santo, Brazil are described and compared to known members of the genus.

The post-embryonic development, the productivity of the host pupae, the rate of parasitism and the sex ratio of Nasonia vitripennis reared in pupae of Cochliomyia macellaria were studied. Different exposition times were used: 24, 48, 72, 96 hours. Nulliparous females originating from the stock colony were individualized in test tubes covered with h...

The post-embryonic development, productivity, rate of parasitism and sexual ratio of Nasonia vitripennis (Walker, 1836) reared in pupae of Cochliomyia macellaria (Fabricius, 1775) were studied. Different densities of the host were used (proportion 1:1, 1:2, 1:3, 1:4, and 1:5) and the exposition in each one lasted 72 hours. Nulliparous females origi...

The post-embryonic development, the productivity of the pupae, the rate of parasitism and the sexual ratio of Nasonia vitripennis (Walker) reared in pupae of Cochliomyia macellaria (Fabricius) were studied. Different densities of the parasitoid were used (proportions 1:1, 2:1, 3:1, 4:1, and 5:1) with exposition of 72 hours. Nulliparous females orig...

The Calliphoridae are flies of great ecological, medical and sanitary importance because they are decomposers of organic matter, mechanical vectors of pathogenic agents, and causers of myiasis. This paper attempts to ascertain the diversity of Calliphoridae in the Tinguá Biological Reserve and correlate meteorological data (temperature, relative hu...

The aim of this note was to record for the first time the finding of Hemilucilia segmentaria acting as biological vector of Dermatobia hominis, during a study of the diversity of Calliphoridae at Reserva Biol gica do Tinguá, Rio de Janeiro, Brazil. The insects were captured using traps baited with chicken vicera, for a period of 28-30 h twice per m...