Sensory organs on the body parts of the bed-bug Cimex hemipterus fabricius (Hemiptera : Cimicidae) and the anatomy of its central nervous system

Singh, Ranjana; Singh, Kusum; Prakash, S.; Mendki, M. J.; Rao, K. M.

doi:10.1016/0020-7322(95)00016-x

Cited by 23 publications

(19 citation statements)

References 32 publications

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“…In other Hemiptera, the subapical labial sensory organ seems to be absent in the Cicadomorpha (Cobben 1988), but a very similar cixiid-like structure, called the “baton-shaped structure”, has been reported on the lateral subapical part of the labium of the bed-bug ( Cimex hemipterus ) by Singh et al (1996, Fig. 3e).…”

Section: Discussionmentioning

confidence: 81%

Morphology and distribution of the external labial sensilla in Fulgoromorpha (Insecta: Hemiptera)

2012

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The present paper describes the sensory structures on the apical segment of the labium in fifteen fulgoromorphan families (Hemiptera: Fulgoromorpha), using the scanning electron microscope. Thirteen morphologically distinct types of sensilla are identified: five types of multiporous sensilla, four types of uniporous sensilla and four types of nonporous sensilla. Three subapical sensory organ types are also recognized, formed from one to several sensilla, each characteristic of a family group. Sensilla chaetica (mechanoreceptive sensilla) fall into three categories dependent on length and are numerous and evenly distributed on the surface of the labium except where they occur on specialized sensory fields. The planthopper morphological ground plan is represented by two apical pair of sensory fields (dorsal and ventral) on which 11 dorsal pairs of sensilla (10 peg-like pairs + 1 specialized pair dome or cupola-like) and 2 ventral pairs of sensilla basiconica occur. Two main patterns (cixiid and issid) together with more specialized ones (derbid, lophopid, flatid and fulgorid) are reported. Disparity and diversity of the sensory structures are analyzed from a taxonomic and functional perspective. A gustatory function is provided for several chemoreceptive labial sensilla, as in the antennal flagellum sensilla in some other Hemiptera. This represents a more recently evolved function for the planthopper labium. Finally, further lines of study are suggested for future work on the phylogeny of the group based on the studied characters.

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Section: Discussionmentioning

confidence: 81%

Morphology and distribution of the external labial sensilla in Fulgoromorpha (Insecta: Hemiptera)

2012

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“…The hematophagous bed bug (Cimex hemipterus Fabricius, 1803) (Cimicidae) has a few sensilla on the rostral tip, which are likely to be olfactory sensilla and more than 20 argyrophilic basiconic-like pegs, which are likely to be gustatory sensilla. Most of the other hairs are mechanosensilla (Singh et al 1996). Despite the fact that Nabidae are in a close relationship with Cimicidae (Schuh et al 2009;Johnson et al 2018), the patterns of labial tip sensilla in both taxa are evidently different, because olfactory basiconic sensilla have been reported in C. hemipterus, whereas olfactory placoid elongated sensilla with wall pores (Wp-ples) have been reported in nabid species.…”

Section: Pattern Of Labial Tip Sensillamentioning

confidence: 99%

Morphological study of the labial sensilla in Nabidae (Hemiptera: Heteroptera: Cimicomorpha)

2019

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The study presents new data on the morphology and distribution of the labial tip sensilla of six species of two nabid subfamilies-Protosteminae and Nabinae (Heteroptera: Cimicomorpha), which were obtained using a scanning electron microscope. In both taxa, there are five morphologically distinct types of sensilla on the tip of the labium: peg sensilla with a terminal pore, nonporous peg sensilla, elongated placoid sensilla with wall pores (multiporous), and trichoid sensilla. In addition, oval plate sensilla with a terminal pore (Tp-opls) were observed in the genus Himacerus. Campaniform sensilla and nonporous chaetic sensilla were observed on the surface of the last segment of the labium in all of the studied species. Over a dozen trichoid sensilla were scattered on the last segment of the labium only in the genus Prostemma. Based on their external structure, it is likely that these sensilla are chemosensitive and mechanosensitive. The oval plate sensilla with a Tp-opls (gustatory) in Himacerus (Nabinae) represent a morphological novelty that probably evolved independently of other nabids.

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“…The diameter of the adult C. lectularius food canal is 8 to 12 μm (69, 179) making feeding on human blood easier. However, C. hemipterus has a hinge and joint system that may control the diameter of the food canal (166). Such flexibility may enable C. hemipterus (and by extension C. lectularius) access to a large range of hosts.…”

Section: Host Choicementioning

confidence: 99%

Biology of the Bed Bugs (Cimicidae)

Reinhardt

Siva‐Jothy

2007

Annu. Rev. Entomol.

378

383

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The cimicids, or bed bugs, belong to a highly specialized hematophagous taxon that parasitizes primarily humans, birds, and bats. Their best-known member is the bed bug, Cimex lectularius. This group demonstrates some bizarre but evolutionarily important biology. All members of the family Cimicidae show traumatic insemination and a suite of female adaptations to this male trait. Cimicids therefore constitute an ideal model system for examining the extreme causes and consequences of sexual selection. Our dual goal in re-examining the extensive literature on this group is to identify issues relevant to pest control, such as dispersal ecology and the recent global spread, and to understand the selective forces that have shaped the unique aspects of this insect's biology.

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Sensory organs on the body parts of the bed-bug Cimex hemipterus fabricius (Hemiptera : Cimicidae) and the anatomy of its central nervous system

Cited by 23 publications

References 32 publications

Morphology and distribution of the external labial sensilla in Fulgoromorpha (Insecta: Hemiptera)

Morphology and distribution of the external labial sensilla in Fulgoromorpha (Insecta: Hemiptera)

Morphological study of the labial sensilla in Nabidae (Hemiptera: Heteroptera: Cimicomorpha)

Biology of the Bed Bugs (Cimicidae)

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