| [frequency in human environment and dispersion of culicidae mosquitoes in an area adjacent to a primitive atlantic plain forest]. | results of peridomiciliary and forest environment mosquito catches are presented. by using the method single host, mosquitoes were identified according to blood-meal and thus their dispersal was observed. evidence was obtained for movements of aedes scapularis, due apparently were appetential flights, as well as its permanence in peridomiciliar resting places. occurrence in domestic animal shelters was recorded for this species. peridomiciliar human bait catches showed regular occurrence of ae. ... | 1990 | 2093993 |
| laboratory studies of diel oviposition, fecundity, survival, and gonotrophic cycles of anopheles bellator dyar and knab in trinidad, west indies. | diel oviposition patterns of anopheles bellator were determined for field collected females from platanal forest, cumaca, trinidad. the time of oviposition and number of eggs laid were monitored at two-hour intervals for a set of 30 individual females and a group of 120 females. individual females of an. bellator displayed bimodal nocturnal patterns of oviposition. during the first gonotrophic cycle, two waves of oviposition occurred between 1600 and 2400 h (80.9% of eggs laid; 78% of occurrence ... | 1999 | 10436882 |
| role of anopheles (kerteszia) bellator as malaria vector in southeastern brazil (diptera: culicidae). | new research concerning anopheles bellator in the southeast of the state of são paulo, brazil, are reported. adult females of this mosquito showed remarkable endophily and endophagy which was even greater than an. cruzii. the epidemiological role of this anopheline as a malaria vector is discussed. | 1999 | 10585643 |
| re-emergence of plasmodium malariae in trinidad, west indies. | a focus of plasmodium malariae infection has recently occurred on the island of trinidad, some 30 years after a successful eradication programme. examination of bloodsmears revealed 22 cases of p. malariae in the nariva-mayaro area of trinidad between august 1994 and september 1995. most (77%) of the cases were male and, as seven were aged < 25 years of age, it appeared that transmission had been renewed, probably by the vector anopheles bellator. however, none of the 3000 mosquitoes tested by e ... | 1999 | 10690242 |
| [the synanthropic potential of kerteszia and culex mosquitoes (diptera:culicidae) in southeastern brazil]. | to determine the synanthropic potential of anopheles bellator and an. cruzii in a village close to a wild environment. for comparative purposes, culex quinquefasciatus and cx. sacchettae populations were also investigated. | 2000 | 11175599 |
| isoenzymatic analysis of four anopheles (kerteszia) bellator dyar & knab (diptera: culicidae) populations. | anopheles bellator is a small silvatic bromelia-breeding mosquito and is a primary human malaria vector species in southern brazil. the bromelia-breeding habitat of the species should accompany the atlantic forest coastal distribution, where bromeliads are abundant. nonetheless, records on an. bellator collections show a gap in the species geographical distribution. an. bellator has been recorded in southern brazil and in the brazilian states of bahia and paraíba. it appears again in the island ... | 2003 | 15049088 |
| habitat suitability mapping of anopheles darlingi in the surroundings of the manso hydropower plant reservoir, mato grosso, central brazil. | hydropower plants provide more than 78 % of brazil's electricity generation, but the country's reservoirs are potential new habitats for main vectors of malaria. in a case study in the surroundings of the manso hydropower plant in mato grosso state, central brazil, habitat suitability of anopheles darlingi was studied. habitat profile was characterized by collecting environmental data. remote sensing and gis techniques were applied to extract additional spatial layers of land use, distance maps, ... | 2007 | 17343728 |
| [vertical and seasonal distribution of anopheles (kerteszia) in ilha comprida, southeastern brazil]. | anopheles bellator e an. cruzii are vectors of the so-called bromeliad-malaria, typical of conserved areas. the objective was to evaluate the seasonal and vertical distribution of these anophelines, aiming at assessing the risk of malaria transmission. | 2007 | 17384803 |
| kerteszia subgenus of anopheles associated with the brazilian atlantic rainforest:current knowledge and future challenges. | the atlantic rainforest ecosystem, where bromeliads are abundant, provides an excellent environment for kerteszia species, because these anophelines use the axils of those plants as larval habitat. anopheles (k.) cruzii and anopheles (k.) bellator are considered the primary vectors of malaria in the atlantic forest. although the incidence of malaria has declined in some areas of the atlantic forest, autochthonous cases are still registered every year, with anopheles cruzii being considered to be ... | 2007 | 17880709 |
| assessing the molecular divergence between anopheles (kerteszia) cruzii populations from brazil using the timeless gene: further evidence of a species complex. | anopheles (kerteszia) cruzii was the most important vector of human malaria in southern brazil between 1930-1960. nowadays it is still considered an important plasmodium spp. vector in southern and south-eastern brazil, incriminated for oligosymptomatic malaria. previous studies based on the analysis of x chromosome banding patterns and inversion frequencies in an. cruzii populations from these areas have suggested the occurrence of three sibling species. in contrast, two genetically distinct gr ... | 2009 | 19358734 |
| insects and allies associated with bromeliads: a review. | bromeliads are a neotropical plant family (bromeliaceae) with about 2,900 described species. they vary considerably in architecture. many impound water in their inner leaf axils to form phytotelmata (plant pools), providing habitat for terrestrial arthropods with aquatic larvae, while their outer axils provide terraria for an assemblage of fully terrestrial arthropods. many bromeliads are epiphytic.dominant terrestrial arthropods with aquatic larvae inhabiting bromeliad phytotelmata are typicall ... | 2009 | 20209047 |
| salivary polytene chromosome map of anopheles darlingi, the main vector of neotropical malaria. | new photomap of anopheles (nyssorhynchus) darlingi root, 1926, is described for a population from guajará-mirim, state of rondonia, brazil. the number of sections in the previous a. darlingi reference map was maintained and new subsections were added to the five chromosome arms. breakage points of paracentric inversions had been previously incorporated into the photomap of this species. an additional inversion is reported, called 3lc, totaling 14 inversions in the a. darlingi chromosome arms. th ... | 2010 | 20682862 |
| habitat suitability of anopheles vector species and association with human malaria in the atlantic forest in south-eastern brazil. | every year, autochthonous cases of plasmodium vivax malaria occur in low-endemicity areas of vale do ribeira in the south-eastern part of the atlantic forest, state of são paulo, where anopheles cruzii and anopheles bellator are considered the primary vectors. however, other species in the subgenus nyssorhynchus of anopheles (e.g., anopheles marajoara) are abundant and may participate in the dynamics of malarial transmission in that region. the objectives of the present study were to assess the ... | 2011 | 21881779 |
| reproductive phase locking of mosquito populations in response to rainfall frequency. | the frequency of moderate to heavy rainfall events is projected to change in response to global warming. here we show that these hydrologic changes may have a profound effect on mosquito population dynamics and rates of mosquito-borne disease transmission. we develop a simple model, which treats the mosquito reproductive cycle as a phase oscillator that responds to rainfall frequency forcing. this model reproduces observed mosquito population dynamics and indicates that mosquito-borne disease tr ... | 2007 | 17396162 |
| effectiveness of mosquito magnet® trap in rural areas in the southeastern tropical atlantic forest. | traps are widely employed for sampling and monitoring mosquito populations for surveillance, ecological and fauna studies. considering the importance of assessing other technologies for sampling mosquitoes, we addressed the effectiveness of mosquito magnet® independence (mmi) in comparison with those of the cdc trap with co2 and lurex3® (cdc-a) and the cdc light trap (cdc-lt). field collections were performed in a rural area within the atlantic forest biome, southeastern state of são paulo, braz ... | 2014 | 25424445 |
| comparison of automatic traps to capture mosquitoes (diptera: culicidae) in rural areas in the tropical atlantic rainforest. | in several countries, surveillance of insect vectors is accomplished with automatic traps. this study addressed the performance of mosquito magnet® independence (mmi) in comparison with those of cdc with co2 and lactic acid (cdc-a) and cdc light trap (cdc-lt). the collection sites were in a rural region located in a fragment of secondary tropical atlantic rainforest, southeastern brazil. limatus durhami and limatus flavisetosus were the dominant species in the mmi, whereas ochlerotatus scapulari ... | 0 | 24402154 |
| diversification of the genus anopheles and a neotropical clade from the late cretaceous. | the anopheles genus is a member of the culicidae family and consists of approximately 460 recognized species. the genus is composed of 7 subgenera with diverse geographical distributions. despite its huge medical importance, a consensus has not been reached on the phylogenetic relationships among anopheles subgenera. we assembled a comprehensive dataset comprising the coi, coii and 5.8s rrna genes and used maximum likelihood and bayesian inference to estimate the phylogeny and divergence times o ... | 2015 | 26244561 |
| morphology of the larvae, male genitalia and dna sequences of anopheles (kerteszia) pholidotus (diptera: culicidae) from colombia. | since 1984, anopheles (kerteszia) lepidotus has been considered a mosquito species that is involved in the transmission of malaria in colombia, after having been incriminated as such with epidemiological evidence from a malaria outbreak in cunday-villarrica, tolima. subsequent morphological analyses of females captured in the same place and at the time of the outbreak showed that the species responsible for the transmission was not an. lepidotus, but rather anopheles pholidotus. however, the ass ... | 0 | 25075785 |
| anopheles (kerteszia) lepidotus (diptera: culicidae), not the malaria vector we thought it was: revised male and female morphology; larva, pupa, and male genitalia characters; and molecular verification. | the name anopheles (kerteszia) lepidotus zavortink, commonly used for an important malaria vector in the eastern cordillera of the andes, is here corrected to an. pholidotus zavortink. we discovered that an. (ker.) specimens from peru, and reared-associated specimens from ecuador, had unambiguous habitus characters that matched those on the male holotype of an. lepidotus. however, the specimens do not exhibit characters of the female allotype and female paratypes of an. lepidotus, which are actu ... | 0 | 26726290 |
| drivers of emerging infectious disease events as a framework for digital detection. | the growing field of digital disease detection, or epidemic intelligence, attempts to improve timely detection and awareness of infectious disease (id) events. early detection remains an important priority; thus, the next frontier for id surveillance is to improve the recognition and monitoring of drivers (antecedent conditions) of id emergence for signals that precede disease events. these data could help alert public health officials to indicators of elevated id risk, thereby triggering target ... | 0 | 26196106 |
| plasmodium falciparum in the southeastern atlantic forest: a challenge to the bromeliad-malaria paradigm? | recently an unexpectedly high prevalence of plasmodium falciparum was found in asymptomatic blood donors living in the southeastern brazilian atlantic forest. the bromeliad-malaria paradigm assumes that transmission of plasmodium vivax and plasmodium malariae involves species of the subgenus kerteszia of anopheles and only a few cases of p. vivax malaria are reported annually in this region. the expectations of this paradigm are a low prevalence of p. vivax and a null prevalence of p. falciparum ... | 2015 | 25909655 |
| coexistence mechanisms at multiple scales in mosquito assemblages. | species coexistence in mosquito assemblages may depend on mechanisms related to interspecific resource partitioning occurring at multiple scales. in the present work we investigated co-occurrence or spatial segregation in mosquito assemblages sharing resources at micro-habitat, habitat and landscape scales. environmental characteristics, mosquito fauna as adults and larvae were assessed along vegetation gradient in a natural landscape of tropical rainforest. huisman-olff-fresco (hof) and general ... | 2014 | 25384802 |
| malaria in the state of rio de janeiro, brazil, an atlantic forest area: an assessment using the health surveillance service. | the lethality of malaria in the extra-amazonian region is more than 70 times higher than in amazonia itself. recently, several studies have shown that autochthonous malaria is not a rare event in the brazilian southeastern states in the atlantic forest biome. information about autochthonous malaria in the state of rio de janeiro (rj) is scarce. this study aims to assess malaria cases reported to the health surveillance system of the state of rio de janeiro between 2000-2010. an average of 90 cas ... | 2014 | 25185004 |
| morphometrical diagnosis of the malaria vectors anopheles cruzii, an. homunculus and an. bellator. | anopheles (kerteszia) cruzii is a primary vector of plasmodium parasites in brazil's atlantic forest. adult females of an. cruzii and an. homunculus, which is a secondary malaria vector, are morphologically similar and difficult to distinguish when using external morphological characteristics only. these two species may occur syntopically with an. bellator, which is also a potential vector of plasmodium species and is morphologically similar to an. cruzii and an. homunculus. identification of th ... | 2012 | 23148743 |
| mitochondrial genomes of anopheles (kerteszia) (diptera: culicidae) from the atlantic forest, brazil. | mitochondrial genome sequences are widely used as molecular markers for phylogenetic studies of mosquito species complexes, such as the anopheles albitarsis complex. except for a few studies that employed a limited number of nuclear or mitochondrial loci to address the genetic structure and species status of anopheles cruzii, anopheles bellator, and anopheles homunculus, little is known about genetic markers that can be employed in studies focusing on kerteszia species. the complete mitochondria ... | 2016 | 27146682 |
| description of the eggs of anopheles (kerteszia) laneanus and anopheles (nyssorhynchus) antunesi (diptera: culicidae) by scanning electron microscopy. | the eggs of anopheles laneanus correa and cerqueira and anopheles antunesi galvão and amaral are described and illustrated with scanning electron micrographs. the egg of an. laneanus is compared with those of anopheles cruzii dyar and knab and anopheles bellator dyar and knab, and an. antunesi is compared with anopheles lutzii cruz and other nyssorhynchus species. | 1997 | 9474564 |
| kerteszia theobald (diptera: culicidae) mosquitoes and bromeliads: a landscape ecology approach regarding two species in the atlantic rainforest. | on the ecological scale of an organism, a homogeneous geographical landscape can represent a mosaic of heterogeneous landscapes. the bionomy of kerteszia mosquitoes can contribute to foundation landscape ecology by virtue of in the role of the configuration and composition of the habitat played in the distribution of mosquito species. thus, this study aimed: to compare the abundance of kerteszia in dense tropical rainforest, restinga and rural area, to assess the bioecological characteristics of ... | 2016 | 27686960 |
| morphogenetic characterisation, date of divergence, and evolutionary relationships of malaria vectors anopheles cruzii and anopheles homunculus. | the mosquito species anopheles cruzii and anopheles homunculus are co-occurring vectors for etiological agents of malaria in southeastern brazil, a region known to be a major epidemic spot for malaria outside amazon region. we sought to better understand the biology of these species in order to contribute to future control efforts by (1) improving species identification, which is complicated by the fact that the females are very similar, (2) investigating genetic composition and morphological di ... | 2015 | 26256676 |
| [new findings of anopheles mosquitoes in artificial containers]. | new findings of anopheles mosquitoes in artificial containers are reported. in one, a plastic container served as a breeding place for anopheles bellator larvae and, in another, four instar larvae of an. albitarsis s.l. were found in an abandoned toilet basin. reflections are offered as to the selective pressure represented by the production, of an ever increasing scale, of disposable objects. | 1998 | 10349154 |
| [immature forms of anophelines in artificial containers]. | immature stages of anopheles bellator and of an. argyritarsis were found in artificial containers. the great number of on-returnable containers now produced, may be playing an important role in the increase in the number of available breeding places for culicid mosquitoes. | 1998 | 9713127 |
| novel molecular evidence of population structure in anopheles (kerteszia) bellator from brazilian atlantic forest. | anopheles bellator is a primary malaria vector in the atlantic forest. partial sequences of timeless and clock genes were used to assess the genetic differentiation of five brazilian populations, which showed strong population structure (e.g. high f st values and fixed differences) in all pairwise comparisons between bahia sample and the others from paraná, são paulo and rio de janeiro states. also, the resulting phylogenetic trees clearly grouped the sequences from bahia in a different cluster ... | 2019 | 31090862 |