Ommatidia of blow fly, house fly, and flesh fly: implication of their vision efficiency

Sukontason, Kabkaew L.; Chaiwong, Tarinee; Piangjai, Somsak; Upakut, Surasak; Moophayak, Kittikhun; Sukontason, Kom

doi:10.1007/s00436-008-0939-y

Cited by 35 publications

(36 citation statements)

References 29 publications

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“…Interestingly, the longitudinal furrow (Liu and Greenberg 1989) patterns seen throughout the dorsal organ (Fig. 2e) are morphologically similar to those seen in the compound eye of M. domestica (Sukontason et al 2008). Chu-Wang and Axtell (1971) proposed that the dorsal organ might have a sensory function serving as an olfactory receptor that aids house fly larvae in their existence.…”

Section: Discussionmentioning

confidence: 94%

Morphology of immature stages of Hemipyrellia ligurriens (Wiedemann) (Diptera: Calliphoridae) for use in forensic entomology applications

et al. 2008

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In forensic investigations, all immature stages of flies (egg, larvae, and puparium) can serve as entomological evidence at death scenes. These insects are primarily used to estimate the post mortem interval (PMI), but can also be involved in the analysis of toxic substances, determining manner of death, and in indicating relocation of a corpse in homicide cases. In this study, we present the morphology of the egg, larvae, and puparium of Hemipyrellia ligurriens, a blow fly species of forensic importance in Thailand. Examination was conducted using scanning electron microscopy (SEM). The egg stage was found to display a relatively wide plastron region (or median hatch line area) that spans almost the entire length of the egg. The median hatch line is oriented in an upright position. External chorionic sculpture of the egg is present in a hexagonal pattern whose reticular boundaries are slightly elevated. In the larval stages, the most prominent morphological changes were detected upon comparison of the first to the second instar; whereas, the differences between second and third instar larvae were less obvious outside of the increase in number of posterior spiracular slits. Most of the major differences involve body size and structure of the anterior and posterior spiracles. Each anterior spiracle in both the second and third instars projects five to seven papillae apically. Each posterior spiracular disc of a third instar exhibits a complete peritreme, three spiracular slits, and a prominent button that is ventromedially located. The puparium is coarctate and features a clustered bubble membrane comprised of approximately 57 mammillate structures positioned dorsolaterally on each side of the first abdominal segment in young puparia. This feature is replaced by short, tubular respiratory horns in aged puparia. This study provides more detailed exposure of important morphological features that can be used for accurate identification of immature stages of H. ligurriens. Information presented can aid in forensic investigations involving this fly species.

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Section: Discussionmentioning

confidence: 94%

Morphology of immature stages of Hemipyrellia ligurriens (Wiedemann) (Diptera: Calliphoridae) for use in forensic entomology applications

et al. 2008

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“…To evaluate the number of ommatidia of medically important flies in Thailand, we designed a study by soaking the head in 20% potassium hydroxide solution in room temperature for 7 days, then the compound eye was dissected into six small parts which was placed onto a glass slide and flatted using a coverslip. Image of each part was manually counted by those printed part obtained using microscope from the computer [11]. Using this procedure, the average number of ommatidia in male compound eye was 6,032 ± 385 (left eye) and 6,032 ± 408 (right eye); whereas females had 6,073 ± 207 (left eye) and 6,100 ± 220 (right eye).…”

Section: Resultsmentioning

confidence: 99%

Sarcophaga (Liosarcophaga) dux (Diptera: Sarcophagidae): A flesh fly species of medical importance

et al. 2014

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BackgroundAlthough tropical climate of Thailand is suitably endowed with biodiversity of insects, flies of medical importance is not well investigated. Using information from literature search, fly survey approach and specialist’s experience, we review database of Sarcophaga (Liosarcophaga) dux Thomson (Diptera: Sarcophagidae), one of the priorities flesh fly species of medical importance in Thailand.ResultsThis review deals with morphology, bionomics and medical involvement. Important morphological characteristics of egg, larva, puparia and adult were highlighted with illustration and/or micrographs. Search pertaining to molecular analysis used for fly identification and developmental rate of larvae were included. Medical involvement of larvae was not only myiasis-producing agent in humans and animals, but associated with human death investigations.ConclusionsThis information will enable us to accurate identify this species and to emphasis the increase medically important scene in Thailand.

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“…Indeed changes in the proportions of tissues are observed in the head capsule morphology of other insects. For example, while the males of some blowfly species have reduced face cuticle compared to females, the eye size of the sexes is the same (Sukontason et al 2008). Stalk eyed flies also exhibit large differences in their head cuticle that do not affect the eye size (Wilkinson and Dodson 1997).…”

Section: Discussionmentioning

confidence: 99%

Genetic and developmental analysis of differences in eye and face morphology between Drosophila simulans and Drosophila mauritiana

Arif

Hilbrant

Hopfen

et al. 2013

Evolution and Development

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Eye and head morphology vary considerably among insects and even between closely related species of Drosophila. Species of the D. melanogaster subgroup, and other Drosophila species, exhibit a negative correlation between eye size and face width (FW); for example, D. mauritiana generally has bigger eyes composed of larger ommatidia and conversely a narrower face than its sibling species. To better understand the evolution of eye and head morphology, we investigated the genetic and developmental basis of differences in eye size and FW between male D. mauritiana and D. simulans. QTL mapping of eye size and FW showed that the major loci responsible for the interspecific variation in these traits are localized to different genomic regions. Introgression of the largest effect QTL underlying the difference in eye size resulted in flies with larger eyes but no significant difference in FW. Moreover, introgression of a QTL region on the third chromosome that contributes to the FW difference between these species affected FW, but not eye size. We also observed that this difference in FW is detectable earlier in the development of the eye-antennal disc than the difference in the size of the retinal field. Our results suggest that different loci that act at different developmental stages underlie changes in eye size and FW. Therefore, while there is a negative correlation between these traits in Drosophila, we show genetically that they also have the potential to evolve independently and this may help to explain the evolution of these traits in other insects.

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Ommatidia of blow fly, house fly, and flesh fly: implication of their vision efficiency

Cited by 35 publications

References 29 publications

Morphology of immature stages of Hemipyrellia ligurriens (Wiedemann) (Diptera: Calliphoridae) for use in forensic entomology applications

Morphology of immature stages of Hemipyrellia ligurriens (Wiedemann) (Diptera: Calliphoridae) for use in forensic entomology applications

Sarcophaga (Liosarcophaga) dux (Diptera: Sarcophagidae): A flesh fly species of medical importance

Genetic and developmental analysis of differences in eye and face morphology between Drosophila simulans and Drosophila mauritiana

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