Showing 201 - 220 results of 1,509 for search '"The Nymphs"', query time: 0.08s Refine Results
  1. 201

    Molecular individuality and adaptation of the tick Rhipicephalus appendiculatus in changed feeding environments. by Wang, H, Kaufman, W, Cui, W, Nuttall, P

    Published 2001
    “…We then compared feeding performance under standard laboratory rearing conditions: one instar (adults or nymphs) feeding on guinea-pigs, with three changed conditions: (1) two instars (adults and nymphs) feeding together on guinea-pigs; (2) one instar (adults or nymphs) feeding on hamsters; and (3) two instars (adults and nymphs) feeding together on hamsters. …”
    Journal article
  2. 202
  3. 203

    Inter-specific and developmental differences on the array of antennal chemoreceptors in four species of triatominae (Hemiptera: Reduviidae) by M Gracco, S Catalá

    Published 2000-01-01
    “…The statistical analysis showed that the number of these antennal chemoreceptors had significant differences between species and between adults and nymphs of each species. Discriminant analysis separates incompletely the fifth stage nymphs of the four species and showed similarity between them. …”
    Get full text
    Article
  4. 204

    Biological effect of 1-dodecanol in teneral and post-teneral Rhodnius prolixus and Triatoma infestans (Hemiptera: Reduviidae) by Gastón Mougabure Cueto, Eduardo Zerba, María Inés Picollo

    Published 2005-02-01
    “…Topical application of 1-dodecanol was significantly more toxic against teneral first nymphs (1-3 h old) than post-teneral first nymphs (24 h old). …”
    Get full text
    Article
  5. 205

    Response of Triatoma infestans to pour-on cypermethrin applied to chickens under laboratory conditions by Ivana Amelotti, Silvia S Catalá, David E Gorla

    Published 2009-05-01
    “…Nymphs were allowed to feed on the chickens at different time intervals after the insecticide application. …”
    Get full text
    Article
  6. 206

    Determination of economic injury level of Ommatissus lybicus (Hemiptera: Tropiduchidae) on two commercial date cultivars in southern Iran by R. Arbabtafti, H. Pezhman, M. T. Fassihi, M. J. Assari, H. Noori, A. Hosseini Gharalari

    Published 2020-08-01
    “…The results showed that EIL based on the number of nymphs/leaflet of date palm leaf on Zahedi cultivar were 1.06 and 0.34 nymphs for Farashband, respectively, and 0.28 and 0.88 nymphs for Tang-e Zard in studied years. …”
    Get full text
    Article
  7. 207

    Predation rate of Hippodamia variegata (Coleoptera: Coccinellidae) feeding on different densities of Aphis gossypii (Hemiptera: Aphididae) by S. Davoodi Dehkordi, A. Sahragard

    Published 2016-02-01
    “…The lowest and highest predation rates for female were 1547.50 and 5305.73 prey nymphs at densities of 20 and 100 aphids, respectively. …”
    Get full text
    Article
  8. 208
  9. 209

    Elephant shrews as hosts of immature ixodid ticks by L.J. Fourie, I.G. Horak, P.F. Woodall

    Published 2005-09-01
    “…Larvae of I. rubicundus were most numerous on E. myurus in Free State Province from April to July and nymphs from June to October. Larvae of R. nuttalli were most numerous on these animals during April, May, August and September, and nymphs in February and from April to August. …”
    Get full text
    Article
  10. 210

    Resistance to Starvation of Triatoma rubrofasciata (De Geer, 1773) under Laboratory Conditions (Hemiptera: Reduviidae: Triatominae) by Mirko G Rojas Cortéz, Teresa Cristina M Gonçalves

    Published 1998-07-01
    “…Eggs of specimens from the greater area of the city of São Luis in the State of Maranhão, Brazil, yielded approximately 300 nymphs. These nymphs were placed in labelled Borrel glasses, in which they were weekly fed on rats (Rattus norvegicus), until reaching the stage to be observed. …”
    Get full text
    Article
  11. 211

    Extracellular enzyme activity of entomopathogenic fungi, Beauveria bassiana and Metarhizium anisopliae and their pathogenicity potential as a bio-control agent against whitefly pes... by Amha Gebremariam, Yonas Chekol, Fassil Assefa

    Published 2022-03-01
    “…The pathogenicity study of isolates on whitefly nymphs and adults indicated significant variation (P < 0.05) with mortality ranging from 71.67 to 98.33% and 60 to 100% against Bemisia tabaci and Trialeurodes vaporariorum nymphs respectively. …”
    Get full text
    Article
  12. 212
  13. 213

    Evaluating the toxic efficacy of some bio-insecticides against mature stages of whitefly insect (Bemisia tabaci). by Alyaa abdul-ridha hanash

    Published 2023-09-01
    “…The results showed all pesticides it was active in decreasing the population density of adults in first day after spraying, after which its effectiveness it started to decrease after the 3rd and 7th day of spraying, on the other hand, the lowest population density of nymphs was recorded from day 7 onwards after 2nd spray with pesticides. 17.42 adults/10 leaves and 9.82 nymphs/16 cm2 was the lowest population density after 2nd spray of pesticides comparison with the durations before spraying and the 1st spray, which reached rate of population density (55.14 and 25.37) adults 10/leaf and (47.93 and 21.8) nymphs 16/cm2 respectively, Spinosad pesticides were characterized reduced the population density of adult after (1 and 3) days for each of the 1st spray, which reached an average of (2.11, 3.77) insects/10 leaf and (1.66, 2.66) insects/10 leaf for the 2nd  spray respectively and for the nymphs at the 2nd  spray after (1, 3, and 7) days, which reached an average of (8.66, 4.88, 3.88) nymph/16 cm2 respectively . …”
    Get full text
    Article
  14. 214

    Riparian management and its effect on aquatic macroinvertebrate communities at oil palm waterways in Perak by Noordin, Noor Rashidah

    Published 2017
    “…For macroinvertebrate analysis, all three rivers shows presence of nymphs. Sungai Selinsing consists of three types of groups namely; nymphs, insects and molluscs. …”
    Get full text
    Thesis
  15. 215

    Fluralaner activity against life stages of ticks using Rhipicephalus sanguineus and Ornithodoros moubata IN in vitro contact and feeding assays by Heike Williams, Hartmut Zoller, Rainer KA Roepke, Eva Zschiesche, Anja R Heckeroth

    Published 2015-02-01
    “…The testing of fluralaner contact and feeding routes using O. moubata nymphs demonstrates a high acaricidal activity in both exposure routes.…”
    Get full text
    Article
  16. 216

    The ability of the green peach aphid (Myzus persicae) to penetrate mesh crop covers used to protect potato crops against tomato potato psyllid (Bactericera cockerelli) by Howard London, David J. Saville, Charles N. Merfield, Oluwashola Olaniyan, Stephen D. Wratten

    Published 2020-08-01
    “…Nymphs of the smaller alatae aphids penetrated the three coarsest mesh sizes; nymphs of the larger apterae penetrated the two coarsest sizes, but no nymphs penetrated the smallest mesh size. …”
    Get full text
    Article
  17. 217

    The Effect of Abamectin on Locusta Migratoria Neurosecretory Cells and Mid Gut, Using Ultrastructure Examination, Oxidative Stress Study, and In-Silico Molecular Docking by Nirvina Abdel Raouf Ghazawy, Amira Afify, Ibrahim Taha Radwan, Hanaa Ghabban, Abeer Mousa Alkhaibari, Hattan S. Gattan, Mohammed H. Alruhaili, Abdelfattah Selim, Mona M. Ali Saad

    Published 2023-10-01
    “…(1) Background: Few studies have been carried out to appraise abamectin toxicity toward <i>Locusta migratoria</i> nymphs. (2) Methods: This study aimed to evaluate the cytotoxic effect of abamectin as an insecticide through examining the changes and damage caused by this drug, in both neurosecretory cells and midgut, using <i>L. migratoria</i> nymphs as a model of the cytotoxic effect. …”
    Get full text
    Article
  18. 218

    Cold hardiness and biochemical response to low temperature of the unfed bush tick Haemaphysalis longicornis (Acari: Ixodidae) by Zhi-Jun Yu, Yu-Lan Lu, Xiao-Long Yang, Jie Chen, Hui Wang, Duo Wang, Jing-Ze Liu

    Published 2014-07-01
    “…Results The 50% mortality temperatures for the adults and nymphs were -13.7°C and -15.2°C, respectively; and the discriminating temperatures for the adults and nymphs were -16.0°C and -17.0°C, respectively. …”
    Get full text
    Article
  19. 219
  20. 220