Fine structure of the compound eye of the fungus beetle <i>Neotriplax lewisi</i> (Coleoptera, Cucujiformia, Erotylidae)

Mishra, Monalisa; Meyer-Rochow, Victor Benno

doi:10.1111/j.1744-7410.2006.00059.x

Cited by 22 publications

(8 citation statements)

References 39 publications

(55 reference statements)

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“…In many species with bilaterally symmetrical organized PR arrangements, the position of the nuclei of outer PR quartet (R1, R3, R4, R1, and R6) is often coordinated, differing from the R2 & R5 duet. Examples are the distal positioning of the nuclei of the outer PR quartet relative to R2 & R5 in beetles, bees, and dragonflies (Herrling, '76; Schmitt et al, '82; Armett‐Kibel and Meinertzhagen, '83; Mishra and Meyer‐Rochow, 2006). In the butterflies, the situation is reversed the nuclei of R2 and R5 are more distally positioned than the outer PR quartet (Awata et al, 2009).…”

Section: Implications and Perspectivesmentioning

confidence: 99%

Developmental evolution of the insect retina: insights from standardized numbering of homologous photoreceptors

Friedrich

Wood

2011

J Exp Zool Pt B

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The canonical number of eight photoreceptors and their arrangement in the ommatidia of insect compound eyes is very conserved. However significant variations exist in selective groups, such as the Lepidoptera and Hymenoptera, which independently evolved additional photoreceptors. For this and historical reasons, heterogeneous labeling conventions have been in use for photoreceptor subtypes, despite developmentally and structurally well-defined homologies. Extending earlier efforts, we introduce a universal photoreceptor subtype classification key that relates to the Drosophila numbering system. Its application is demonstrated in major insect orders, with detailed information on the relationship to previous conventions. We then discuss new insights that result from the improved understanding of photoreceptor subtype homologies. This includes evidence of functionally imposed ground rules of differential opsin expression, the underappreciated role of R8 as ancestral color receptor, the causes and consequences of parallel R7 photoreceptor addition in Hymenoptera and Lepidoptera, and the ancestral subfunctionalization of outer photoreceptors cells, which may be only developmentally recapitulated in Drosophila. We conclude with pointing out the need for opsin expression data from a wider range of insect orders.

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Section: Implications and Perspectivesmentioning

confidence: 99%

Developmental evolution of the insect retina: insights from standardized numbering of homologous photoreceptors

Friedrich

Wood

2011

J Exp Zool Pt B

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“…It is possible that there are at least three types of photoreceptors in the compound eye of P. punctatus (this species does not have any ocelli), and that this type of photoreceptor might drive its movement much more effectively than any other receptor types. This use of a photoreceptor to drive movement might be associated with a specialized capability of the beetle to use sky polarization in the UV region of the spectrum and/or the position of the sun as a course-stabilizing function during flights (Mishra and MeyerRochow 2006). Previous studies also showed that many beetles were most sensitive to shortwave lights such as violet and ultraviolet light (Yang et al 2003; Guz et al 2010; Ju et al 2010; Fernando and Joseph 2011).…”

Section: Discussionmentioning

confidence: 99%

Phototactic Behavior of the Armand Pine Bark Weevil,Pissodes punctatus

Chen

Luo

Kuang

et al. 2013

Journal of Insect Science

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The Armand pine bark weevil, Pissodes punctatus Langor et Zhang (Coleoptera: Curculionidae) is a destructive bark weevil on the Armand pine, Pinus armandii Franch (Pinales: Pinaceae), an important timbering tree in southern China. This study examined the phototactic behavior ïéP. punctatus through observation of behavioral characteristics, response to nine monochromatic lights (ranging from 340 nm to 689 nm with about 40-nm step), and response to five intensities (ranging from 1 lux to 200 lux) of the most attractive light. The results demonstrated that P. punctatus was most active in the day, and kept still at night (or in a dark room). P. punctatus could be attracted to eight of nine monochromatic lights, the exception being red light (649 nm), which implied broad sensitivity to the spectrum of light. P. punctatus was most sensitive to violet (415 nm), ultraviolet (340 nm), and green (504 nm) light, suggesting there might be at least three types of photoreceptors in the compound eyes of this weevil. Furthermore, low intensities elicited an increased phototactic response, and high intensities a decreased phototactic response, under both violet and UV light. Thus, P. punctatus were found to be phototactic insects, and the phototactic behavior of P. punctatus is both a color and intensity preference. The information provided here provides a basis for the improvement of trapping devices for detection and survey of P. punctatus, as well as a basis for the development of alternate control strategies for this important pest of Armand pine and other pine trees.

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“…Coloration like that is frequently seen in some Orthoptera, Diptera, and Lepidoptera and has even been reported from the eyes of certain species of hermit crab, but apart from a few studies (Lunau & Knüttel, 1995;Stavenga, 2002) the phenomenon has not received a great deal of attention. Insect corneae can be very thick in relation to the total length of the ommatidium (as in the buprestid Curis caloptera; Gokan & Meyer-Rochow, 1984 and the fungus beetle Neotriplax lewisi; Mishra & Meyer-Rochow, 2006a) or they may be rather thin as, for instance, in the parasitoid tiny wasp Trichogramma evanescens (Fischer et al, 2011) or the moth Acentria ephemerella (Lau et al, 2007a). Often aquatic species have thinner corneae (e.g., Panulirus longipes; Meyer-Rochow, 1975a) than terrestrial species of identical sizes (Thiele, 1971).…”

Section: Corneal Surface Structures and Their Functionsmentioning

confidence: 99%

Compound eyes of insects and crustaceans: Some examples that show there is still a lot of work left to be done

Meyer-Rochow

2014

Insect Science

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Similarities and differences between the 2 main kinds of compound eye (apposition and superposition) are briefly explained before several promising topics for research on compound eyes are being introduced. Research on the embryology and molecular control of the development of the insect clear-zone eye with superposition optics is one of the suggestions, because almost all of the developmental work on insect eyes in the past has focused on eyes with apposition optics. Age- and habitat-related ultrastructural studies of the retinal organization are another suggestion and the deer cad Lipoptena cervi, which has an aerial phase during which it is winged followed by a several months long parasitic phase during which it is wingless, is mentioned as a candidate species. Sexual dimorphism expressing itself in many species as a difference in eye structure and function provides another promising field for compound eye researchers and so is a focus on compound eye miniaturization in very small insects, especially those that are aquatic and belong to species, in which clear-zone eyes are diagnostic or are tiny insects that are not aquatic, but belong to taxa like the Diptera for instance, in which open rather than closed rhabdoms are the rule. Structures like interommatidial hairs and glands as well as corneal microridges are yet another field that could yield interesting results and in the past has received insufficient consideration. Finally, the dearth of information on distance vision and depth perception is mentioned and a plea is made to examine the photic environment inside the foam shelters of spittle bugs, chrysales of pupae and other structures shielding insects and crustaceans.

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Fine structure of the compound eye of the fungus beetle Neotriplax lewisi (Coleoptera, Cucujiformia, Erotylidae)

Cited by 22 publications

References 39 publications

Developmental evolution of the insect retina: insights from standardized numbering of homologous photoreceptors

Developmental evolution of the insect retina: insights from standardized numbering of homologous photoreceptors

Phototactic Behavior of the Armand Pine Bark Weevil,Pissodes punctatus

Compound eyes of insects and crustaceans: Some examples that show there is still a lot of work left to be done

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