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210910s2020 xx |||||o 00| ||eng c |
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|a 10.1016/j.asd.2020.100996
|2 doi
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|a /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001225.pica
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|a (DE-627)ELV052326381
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|a (ELSEVIER)S1467-8039(20)30119-5
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|c DE-627
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|a Ortega-Insaurralde, Isabel
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Mouthpart sensory structures of the human head louse Pediculus humanus capitis
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| 264 |
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1 |
|c 2020transfer abstract
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|a nicht spezifiziert
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|a Head lice are exclusive human parasitic blood-sucking insects. Distributed worldwide among school-age children, this parasitosis generates scalp irritation and sometimes social prejudice. Understanding how head lice detect and perceive their human hosts is crucial to control transmission. Here, we describe the sensory structures present on the mouthparts of Pediculus humanus capitis and their possible contribution to the feeding decision-making process. On the anterior zone of the clypeus around the haustellum two morphological types of sensilla, invariable in location and number, were identified: fourteen short clypeus bristles (SCB) and six long clypeus bristles (LCB). During feeding these structures contact the host skin but not its blood. Located antero-dorsally on the everted haustellum and between the epipharyngeal teeth, a third sensillar type was identified: about four short peg epipharyngeal (SPE) sensilla. These structures are bathed with the incoming blood, when head lice feed, so may have a gustatory role. In behavioural experiments antennectomy of lice did not interfere with feeding behaviour, suggesting that the sensory structures on the mouthparts could be involved in host assessment.
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| 520 |
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|a Head lice are exclusive human parasitic blood-sucking insects. Distributed worldwide among school-age children, this parasitosis generates scalp irritation and sometimes social prejudice. Understanding how head lice detect and perceive their human hosts is crucial to control transmission. Here, we describe the sensory structures present on the mouthparts of Pediculus humanus capitis and their possible contribution to the feeding decision-making process. On the anterior zone of the clypeus around the haustellum two morphological types of sensilla, invariable in location and number, were identified: fourteen short clypeus bristles (SCB) and six long clypeus bristles (LCB). During feeding these structures contact the host skin but not its blood. Located antero-dorsally on the everted haustellum and between the epipharyngeal teeth, a third sensillar type was identified: about four short peg epipharyngeal (SPE) sensilla. These structures are bathed with the incoming blood, when head lice feed, so may have a gustatory role. In behavioural experiments antennectomy of lice did not interfere with feeding behaviour, suggesting that the sensory structures on the mouthparts could be involved in host assessment.
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| 650 |
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7 |
|a Head lice
|2 Elsevier
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| 650 |
|
7 |
|a Pediculus humanus capitis
|2 Elsevier
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| 650 |
|
7 |
|a Sensory structures
|2 Elsevier
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| 650 |
|
7 |
|a Antennectomy
|2 Elsevier
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| 650 |
|
7 |
|a Feeding
|2 Elsevier
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| 700 |
1 |
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|a Picollo, María Inés
|4 oth
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| 700 |
1 |
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|a Barrozo, Romina B.
|4 oth
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| 773 |
0 |
8 |
|i Enthalten in
|n Elsevier Science
|t Ventricular Restraint Improves Outcomes in HF Patients with CRT
|d 2011
|g Amsterdam [u.a.]
|w (DE-627)ELV015921530
|
| 773 |
1 |
8 |
|g volume:59
|g year:2020
|g pages:0
|
| 856 |
4 |
0 |
|u https://doi.org/10.1016/j.asd.2020.100996
|3 Volltext
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