Publications

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abundance and parity rate of lutzomyia cruciata (diptera:psychodidae) in an endemic focus of localized cutaneous leishmaniasis in southern mexico.human bait catches were carried out from 5 through 27 march 1994 in an endemic focus of cutaneous leishmaniasis in the state of campeche, mexico. females of lutzomyia cruciata (coquillet) were dissected and 67% were parous. the number of total and parous females collected per day was analyzed by time series, but neither the gonotrophic cycle length nor survivorship could be estimated. however, a survival rate per oviposition cycle of 0.68 was estimated from the least square regression of parous ...19968699467
current and future niche of north and central american sand flies (diptera: psychodidae) in climate change scenarios.ecological niche models are useful tools to infer potential spatial and temporal distributions in vector species and to measure epidemiological risk for infectious diseases such as the leishmaniases. the ecological niche of 28 north and central american sand fly species, including those with epidemiological relevance, can be used to analyze the vector's ecology and its association with transmission risk, and plan integrated regional vector surveillance and control programs. in this study, we mod ...201324069478
experimental transmission of leishmania mexicana by lutzomyia cruciata. 19665971136
sandfly (diptera: psychodidae: phlebotominae) species diversity in an urban area of the municipality of tapachula, chiapas, mexico.monitoring phlebotomine sandflies in urban areas is key for epidemiological studies in susceptible populations. this paper describes sandfly fauna that were present in an urban area of the municipality of tapachula, chiapas, mexico, and were captured with shannon and cdc light traps. during february and march of 2014, 1,442 sandflies were captured, specifically lutzomyia cruciata (coquillet) (98.8%), lutzomyia cayennensis cayennensis (floch and abonnenc) (0.8%), lutzomyia chiapanensis (dampf) (0 ...201525650768
comparative field evaluation of different traps for collecting adult phlebotomine sand flies (diptera: psychodidae) in an endemic area of cutaneous leishmaniasis in quintana roo, mexico.phlebotominae are the vectors of leishmania parasites. it is important to have available surveillance and collection methods for the sand fly vectors. the objectives of the present study were to evaluate and compare traps for the collection of sand fly species and to analyze trap catches along months and transects. field evaluations over a year were conducted in an endemic area of leishmaniasis in the state of quintana roo, mexico. a randomized-block design was implemented in study area with tro ...201627280348
assessing the importance of four sandfly species (diptera: psychodidae) as vectors of leishmania mexicana in campeche, mexico.localized cutaneous leishmaniasis represents a public health problem in many areas of mexico, especially in the yucatan peninsula. an understanding of vector ecology and bionomics is of great importance in evaluations of the transmission dynamics of leishmania parasites. a field study was conducted in the county of calakmul, state of campeche, during the period from november 2006 to march 2007. phlebotomine sandfly vectors were sampled using centers for disease control light traps, baited disney ...201627040367
presence of putative male-produced sex pheromone in lutzomyia cruciata (diptera: psychodidae), vector of leishmania mexicana.lutzomyia cruciata (coquillet) is a vector of cutaneous leishmaniasis in mexico and central america. however, several aspects of its ecology and behavior are unknown, including whether a male pheromone partially mediates the sexual behavior of this sand fly. in this study, we evaluated the behavioral response of females to male abdominal extracts in a y-tube olfactometer. the volatile compounds from male abdominal extracts were identified by gas chromatography-mass spectrometry and compared with ...201627539150
species composition and seasonal abundance of sandflies (diptera: psychodidae: phlebotominae) in coffee agroecosystems.the composition and seasonal occurrence of sandflies were investigated in coffee agroecosystems in the soconusco region of chiapas, mexico. insect sampling was performed on three plantations located at different altitudes: finca guadalupe zajú [1,000 m above sea level (a.s.l.)], finca argovia (613 m a.s.l.) and teotihuacán del valle (429 m a.s.l.). sandflies were sampled monthly from august 2007-july 2008 using three sampling methods: shannon traps, cdc miniature light traps and disney traps. sa ...201324271002
sandfly (diptera: psychodidae: phlebotominae) species diversity in an urban area of the municipality of tapachula, chiapas, mexico.monitoring phlebotomine sandflies in urban areas is key for epidemiological studies in susceptible populations. this paper describes sandfly fauna that were present in an urban area of the municipality of tapachula, chiapas, mexico, and were captured with shannon and cdc light traps. during february and march of 2014, 1,442 sandflies were captured, specifically lutzomyia cruciata (coquillet) (98.8%), lutzomyia cayennensis cayennensis (floch and abonnenc) (0.8%), lutzomyia chiapanensis (dampf) (0 ...201525742275
sand flies of nicaragua: a checklist and reports of new collections.sand flies within the genus lutzomyia serve as the vectors for all species of the protozoan parasite leishmania in the new world. in this paper, we present a summary of the 29 species of lutzomyia and one of brumptomyia previously reported for nicaragua and report results of our recent collections of 565 sand flies at eight localities in the country from 2001-2006. lutzomyia longipalpis was the predominant species collected within the pacific plains region of western nicaragua, while lutzomyia c ...201021120358
lutzomyia sand fly diversity and rates of infection by wolbachia and an exotic leishmania species on barro colorado island, panama.sand flies (diptera, psychodidae, phlebotominae) in the genus lutzomyia are the predominant vectors of the protozoan disease leishmaniasis in the new world. within the watershed of the panama canal, the cutaneous form of leishmaniasis is a continuous health threat for residents, tourists and members of an international research community. here we report the results of screening a tropical forest assemblage of sand fly species for infection by both leishmania and a microbe that can potentially se ...201020231892
population dynamics and biting rhythm of the anthropophilic sandfly lutzomyia cruciata (diptera: psychodidae) in southeast, mexico.sandflies attracted by human bait were caught in an endemic focus of localized cutaneous leishmaniasis in the state of campeche, mexico. catches were carried out monthly from february 1994 to january 1995 between 18:00 and 22:00 h. lutzomyia cruciata was the only species caught. the highest population peak of lu. cruciata was found in march with lesser peaks in february, december 1994, and january 1995. maximum biting rate of lu. cruciata was found between 18:00 and 19:00 h. the host-seeking fem ...19968762636
genetic structure and divergence in populations of lutzomyia cruciata, a phlebotomine sand fly (diptera: psychodidae) vector of leishmania mexicana in southeastern mexico.the low dispersal capacity of sand flies could lead to population isolation due to geographic barriers, climate variation, or to population fragmentation associated with specific local habitats due to landscape modification. the phlebotomine sand fly lutzomyia cruciata has a wide distribution throughout mexico and is a vector of leishmania mexicana in the southeast. the aim of this study was to evaluate the genetic diversity, structure, and divergence within and among populations of lu. cruciata ...201323416432
incrimination of four sandfly species previously unrecognized as vectors of leishmania parasites in mexico.cutaneous leishmaniasis (cl) is endemic to the yucatan peninsula of mexico. the main causative agent is the parasite leishmania mexicana (biagi) (kinetoplastida: trypanosomatidae) and, based on the classic work of dr biagi's research team, it has been generally accepted and frequently reported that the only vector of l. mexicana in the region is the sandfly lutzomyia olmeca olmeca (vargas & diáz-nájera) (diptera: psychodidae). evidence gathered from recent entomological studies conducted mainly ...201020604861
life history of the sand fly vector lutzomyia cruciata in laboratory conditions.lutzomyia cruciata coquillet (diptera: psychodidae: phlebotominae) is a potential vector of leishmania sp.; its geographical distribution in mexico is widespread, but its life history is unknown. the present study gives relevant information on the life cycle, morphology, survival and reproduction of lu. cruciata observed over successive generations under laboratory conditions. seven successive generations were produced. a total of 975 adults were obtained in a sexual proportion of 1.1 : 1 (femal ...201526147368
ecology of phlebotomine sandflies and putative reservoir hosts of leishmaniasis in a border area in northeastern mexico: implications for the risk of transmission of leishmania mexicana in mexico and the usa.leishmaniases are a group of important diseases transmitted to humans through the bite of sandfly vectors. several forms of leishmaniases are endemic in mexico and especially in the southeast region. in the northeastern region, however, there have only been isolated reports of cases and scanty records of sandfly vectors. the main objective of this study was to analyze the diversity of sandflies and potential reservoir hosts of leishmania spp. in the states of nuevo león and tamaulipas. species r ...201728825400
morphology variation of lutzomyia cruciata eggs (diptera: psychodidae: phlebotominae) in southern mexico.the sand fly lutzomyia cruciata has been associated with the transmission of leishmania mexicana to humans in mexico. this species has a wide distribution in mexico occupying different microhabitats and environments. in this work comparisons of the egg exochorion of lu. cruciata from different physiographic areas are presented. study sites are from different states of southern mexico. exochorion analysis was carried out using scanning electron microscopy (sem). results show differences in the ex ...201728609907
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