Sensilla of the Western Flower Thrips, Frankliniella occidentalis (Pergande) (Thysanoptera, Thripidae)

Zhang, ZhiKe; Lei, Zhongren

doi:10.1590/1806-9665-rbent-2022-0023

Cited by 4 publications

(3 citation statements)

References 22 publications

(24 reference statements)

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“…In addition, the WFT antennae are relatively long and segmented. They are noticeably thicker at the base and taper to a slender point; therefore, the length and shape of the antennae can aid in differentiating WFT from similar-looking insects [10]. On the other hand, WFT possess relatively short legs compared to the length of their bodies, with each leg terminating in arolia.…”

Section: Biology and Behavior Of Western Flower Thrips (Wft)mentioning

confidence: 99%

Overview of Updated Control Tactics for Western Flower Thrips

Rodríguez

Coy-Barrera

2023

Insects

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Frankliniella occidentalis Pergande Pergande (Thysanoptera: Thripidae), broadly known as Western flower thrips (WFT), are currently one of the most critical pests worldwide in field and greenhouse crops, and their management is full of yet unsolved challenges derived from their high reproductive potential, cryptic habit, and ability to disperse. The control of this pest relies widely on chemical control, despite the propensity of the species to develop resistance. However, significant advances have been produced through biological and ethological control. Although there has recently been a remarkable amount of new information regarding the management of this pest worldwide, there is no critical analysis of recent developments and advances in the attractive control tactics for WFT, constituting the present compilation’s aim. Hence, this narrative review provides an overview of effective control strategies for managing thrips populations. By understanding the pest’s biology, implementing monitoring techniques, accurately identifying the species, and employing appropriate control measures, farmers and researchers can mitigate the WFT impact on agricultural production and promote sustainable pest management practices.

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Section: Biology and Behavior Of Western Flower Thrips (Wft)mentioning

confidence: 99%

Overview of Updated Control Tactics for Western Flower Thrips

Rodríguez

Coy-Barrera

2023

Insects

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“…Böhm sensilla (BS) have been reported in Thripidae [ 69 ], Pyralidae [ 70 ], Cerambycidae [ 68 ], Lepidoptera, and most insects [ 71 ] and also observed in Bombus [ 26 ], which has the same distribution position in the junction of scape and pedicel. BS function as proprioceptors which monitor the antennal movements and position [ 71 , 72 ].…”

Section: Discussionmentioning

confidence: 99%

Comparison of Morphological Characteristics of Antennae and Antennal Sensilla among Four Species of Bumblebees (Hymenoptera: Apidae)

Ren

Chang

et al. 2023

Insects

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Bumblebees, as pollinators, play an important role in maintaining natural and agricultural ecosystems. Antennae with sensilla of bumblebees as social insects have essential effects in foraging, nest searching, courting, and mating, and are different in species and sexes. Previous studies on the morphology of antennae and sensilla in bumblebees have been limited to a few species and a single caste. To better understand how bumblebees detect and receive the chemical signal from nectariferous plants and foraging behavior, the morphology of antennae with sensilla, including the antennal length, and type, distribution, and number of antennal sensilla in four species, Bombus atripes, Bombus breviceps, Bombus flavescens, and Bombus terrestris was compared by scanning electron microscopy (SEM) herein. The total antennal length of queens are the longest and workers are the shortest in three castes, and in four species the longest of the total antennal length among three castes all are in B. flavescens, which is significantly longer than other species (p < 0.05) and the length of the scape in queens and workers are both longer than males, significantly different in queens (p < 0.05), and not significantly different in workers (p > 0.05), and the length of flagellums in females are not always shorter than males, of which the length of flagellms in queens of B. flavescens are significantly longer than males (p < 0.05), and the length of pedicel and all flagellomeres varies among species and castes. A total of 13 major types of sensilla in total were observed, including trichodea sensilla (TS A-E), placodea sensilla (PS A-B), basiconica sensilla (BaS), coeloconica sensilla (COS A-B), chaetic sensilla (CS A-B), and Böhm sensilla (BS), of which chaetic sensilla B (CS B), only observed in females of B. atripes, was firstly reported in Apidae. Moreover, the number of all sensilla was the most in males, the least was in workers, the number of sensilla varies within castes and species. Furthermore, the morphological characteristics of antennae and the potential functions of sensilla are discussed.

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“…Global application of insecticides is a direct way to chemical pollution of the environment, negatively affecting useful entomofauna and other non-target organisms. Meanwhile, the target insect pests develop resistance to xenobiotics which makes the most widely applied chemicals ineffective relatively fast and demands for the new substances to be introduced (Mallet, 1989;Sukhoruchenko, Dolzhenko, 2008;Muntyan et al, 2014;Bass et al, 2015;Wang et al, 2018;Benkovskaya, Dubovskiy, 2020;Hafeez et al, 2022). And though modern tendencies of novel pesticide design are declared to aim at increasing specificity toward pests while decreasing toxicity to non-target organisms and persistence in the environment (Inglesfield, 1989;Abubakar et al, 2020;Sukhoruchenko et al, 2020;, the safety of novel classes of synthetic insecticides is extensively debated (Jeschke, 2010;Kampfraath et al, 2017;Sukhoruchenko et al, 2018;Khan, Ahmad, 2019;Kumar, Kumar, 2019;Rezende-Teixeira et al, 2022).…”

Section: Introductionmentioning

confidence: 99%

Spore yield of the microsporidium Nosema pyrausta (Paillot) Weiser, 1961 is influenced the insect host rearing temperature and diet composition

et al. 2023

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The microsporidium Nosema pyrausta (Paillot) Weiser, 1961 is an important mortality factor of the stem borers of the genus Ostrinia and may be used to control other lepidopteran pests. Rearing conditions (temperature regime and diet composition) of the laboratory host Ostrinia furnacalis (Guenée, 1854) (Pyraloidea: Crambidae) were compared in terms of their influence on N. pyrausta spore production, estimated as the mean spore number per host pupa. At lowered temperature (+20 °C), most of the experimental insects died at the larval stage, and in survived pupae, the microsporidium spore yield was below 8 × 10 6 spores/pupa. At the temperature of +24 °C, which is supposed to be the optimal for the insect laboratory culture exploited, N. pyrausta spore yield was about 50 × 10 6 spores/pupa. At increased temperature (+28 °C), the parasite spore yield was not higher than 28 × 10 6 spores/pupa. The mean spore yield values were significantly different between the variants of the three thermal regimes at 99% confidence level. The microsporidium spore production was further compared in insects fed with a standard corn flour-based diet vs modified diet (corn flour mixed with soybean flour at an equal proportion), reared at + 24 °C. Insect feeding with the modified diet caused an increase of the average spore yield by 35% (70 × 10 6 vs 52 × 10 6 spores/pupa obtained using the standard diet). Similarly, the weight of the pupae reared on the modified diet was 33% higher (0.0721 g vs 0.0542 g on the standard diet). Both the spore yield and the pupal weight values were significantly different between the two diet types at 95% confidence level. This provides one logical explanation of the parasite spore production increase as conditioned by the insect host weight increment. These observations indicate that +24 °C is the optimal thermal regime for N. pyrausta spore production which can further be augmented by supplementing diet of infected Ostrinia furnacalis larvae with soybean flour.

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Sensilla of the Western Flower Thrips, Frankliniella occidentalis (Pergande) (Thysanoptera, Thripidae)

Cited by 4 publications

References 22 publications

Overview of Updated Control Tactics for Western Flower Thrips

Overview of Updated Control Tactics for Western Flower Thrips

Comparison of Morphological Characteristics of Antennae and Antennal Sensilla among Four Species of Bumblebees (Hymenoptera: Apidae)

Spore yield of the microsporidium Nosema pyrausta (Paillot) Weiser, 1961 is influenced the insect host rearing temperature and diet composition

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