Ultrastructure of sensilla on the maxillary and labial palps of three species (Coleoptera: Staphylinidae: Staphylininae)

Liu, Zhiping; Yu, Wu; Wu, Xiujuan

doi:10.1111/1748-5967.12389

Cited by 9 publications

(9 citation statements)

References 40 publications

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“…In addition, the total number of sensilla on the apex of each maxillary palp was obviously larger than that on each labial palp. This suggests that the apexes of maxillary palps are able to receive more information from the environment compared to those of labial palps (Liu, Yu, & Wu, 2019).…”

Section: Discussionmentioning

confidence: 99%

Sensilla on antennae and mouthparts of adult spruce bark beetle Ips typographus (Coleoptera: Curculionidae)

Shi

Zhang

Liu

et al. 2021

Microscopy Res & Technique

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The spruce bark beetle, Ips typographus, is an invasive forest pest that occurs across Eurasia. To further understand the mechanism of insect–host chemical communication and the feeding choices of adult I. typographus, we examined the sensilla on the antennae and mouthparts of I. typographus using scanning electron microscopy. No sexual dimorphism in sensilla type or distribution was observed. Ten subtypes of antennal sensilla were identified: sensilla trichodea Types I–III (TR1, TR2, and TR3); sensilla chaetica Types I and II (CH1 and CH2); sensilla basiconica Types I–III (BA1, BA2, and BA3); sensilla coeloconica (CO); and Böhm sensilla (BS). BA2 were the most abundant among the antennal sensilla in both sexes. Thirteen mouthpart sensilla subtypes were observed: sensilla trichodea Types I–IV (TR1, TR2, TR3, and TR4); sensilla chaetica Types I–III (CH1, CH2, and CH3); sensilla digitiformia (DI); sensilla basiconica Types I–II (BA1 and BA2); and sensilla styloconica Types I–III (ST1, ST2, and ST3). Among these, TR4 were the most abundant in both sexes. The apex of each maxillary and labial palp carried the same sensilla (BA2, ST1, ST2, and ST3), although the apex of the maxillary palp contained more total sensilla. The functional roles of each sensilla type are discussed based on their external structure and distribution. The results provide a theoretical basis for further studies on the olfactory and feeding behaviors and electrophysiology of adult I. typographus.

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Section: Discussionmentioning

confidence: 99%

Sensilla on antennae and mouthparts of adult spruce bark beetle Ips typographus (Coleoptera: Curculionidae)

Shi

Zhang

Liu

et al. 2021

Microscopy Res & Technique

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“…The functional and morphological characteristics of these five types of sensilla have been proven analogous in other beetles [ 26 – 28 ]. Sensilla campaniformia, as a kind of temperature and humidity sensor, is common in some kinds of insect, especially in the oral appendages [ 30 – 32 ], but rarely found on antennae of longhorn beetles [ 26 ]. This is related to the wood moisture and may be related to strict requirements of oviposition preference [ 33 ].…”

Section: Discussionmentioning

confidence: 99%

First description and comparison of the morphological and ultramicro characteristics of the antennal sensilla of two fir longhorn beetles

Dong

Dou²,

Yang³

et al. 2020

PLoS ONE

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Allotraeus asiaticus Schwarzer and Callidiellum villosulum Fairmaire are repeatedly intercepted in wood and wood products all over the world. As two common stem borers of Cunninghamia lanceolata (Lambert) Hooker, to further understanding of the differences in their living habits, behaviors and the mechanism of insect-host chemical communication, we observed the external morphology, number and distribution of antennal sensilla of A . asiaticus and C . villosulum with scanning electron microscopy (SEM), respectively. The results showed that 1st-5th subsegments of the flagellum are spined endoapically in A . asiaticus which is different from the previous report (1st-3rd of the flagellomere). Meanwhile, there were five subsegments on the flagellum of C . villosulum that were clearly specialized as serrated shapes on the 4th-8th flagellomeres. Four types (ten subtypes) of sensilla were both found on the antennae of these two fir longhorn beetles, named Böhm bristle (Bb), sensilla trichodea (ST I and II), sensilla basiconica (SB I, II and III), sensilla chaetica (SCh I, II, III and IV). There is one additional kind of morphological type of sensilla found on the antennae of C . villosulum compared to A . asiaticus which was related to their habit of laying eggs only on dry and injured fir branches, named sensilla campaniformia (SCa). These differences may vary according to their own biological habits. For research purposes, the observed difference in the sensillum distribution and function between the two fir longhorn beetles will greatly facilitate the design of better semiochemical control methods of these insect pests.

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“…The morphological structure of a species generally corresponds to the development of certain functions, such as the development of a compound eye related to precise vision. Similarly, insects with an acute sense of smell have a rich variety of olfactory sensilla (Pitts & Zwiebel, 2006; Liu et al , 2008; Zhao et al , 2012). Further, both visual and olfactory structures must be able to translate environmental information such as light, colors and odors into neural signals which can control behaviors.…”

Section: Introductionmentioning

confidence: 99%

Host-location behavior of the tea green leafhopper Empoasca vitis Göthe (Hemiptera: Cicadellidae): olfactory and visual effects on their orientation

Zhang

Pengsakul

Tukayo

et al. 2017

Bull. Entomol. Res.

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The tea green leafhopper, Empoasca vitis Göthe, is one of the most serious pests in tea growing areas. This study investigated the roles played by olfaction and vision in host orientation behavior. The compound eye of E. vitis was found to be a photopic eye; few olfactory sensilla were found on the antennae, while abundant gustatory sensilla were recorded on the mouthparts. Three opsin genes (EV_LWop, EV_UVop, EV_Bop) were isolated and found to be mainly expressed in the compound eye compared with other parts of the body. Immunolocalization indicated that the opsins mainly located in the different regions of rhabdom. The transcription levels of EV_LWop, EV_Bop and EV_UVop were reduced by 77.3, 70.0 and 40.0%, respectively, by RNA interference induced by being fed a special RNA-rich diet for 6 days. The rate of tropism to host color was effectively impaired by 67.6 and 29.5% in the dsEV_LWop and dsEV_Bop treatment groups, but there was no significant change in the dsEV_UVop group. The determination of the cause of the tropism indicated that odors from the host over long distances were unable to attract E. vitis and were only detected when the insects were close to the host. The developed compound eye of E. vitis plays a leading role in host location, and the long-wavelength opsin significantly affects the tropism to host color; the lack of olfactory sensilla results in long-distance odors not being able to be detected until the insect is near to the host-plant. The understanding of these behavioral mechanisms, especially the importance of opsin genes is expected to be useful for pest management.

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Ultrastructure of sensilla on the maxillary and labial palps of three species (Coleoptera: Staphylinidae: Staphylininae)

Cited by 9 publications

References 40 publications

Sensilla on antennae and mouthparts of adult spruce bark beetle Ips typographus (Coleoptera: Curculionidae)

Sensilla on antennae and mouthparts of adult spruce bark beetle Ips typographus (Coleoptera: Curculionidae)

First description and comparison of the morphological and ultramicro characteristics of the antennal sensilla of two fir longhorn beetles

Host-location behavior of the tea green leafhopper Empoasca vitis Göthe (Hemiptera: Cicadellidae): olfactory and visual effects on their orientation

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