Anatomy of the Antennal Dorsal Organ in Female of Neodryinus typhlocybae (Hymenoptera: Dryinidae):A Peculiar Sensory Structure Possibly Involved in Perception of Host Vibration

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Anatomy of the Antennal Dorsal Organ in Female of Neodryinus typhlocybae (Hymenoptera: Dryinidae):A Peculiar Sensory Structure Possibly Involved in Perception of Host Vibration

Paola Riolo [et al.] - Nama Orang;

Neodryinus typhlocybae (Hymenoptera:Dryinidae) is a natural enemy of the planthopper Metcalfa pruinosa, which was introduced from North America into Europe and has become established in various regions as a pest species. Vibrational signals play a crucial role in the communication of M. pruinosa, which appears to be exploited by N. typhlocybae. Scanning and transmission electron microscopy have shown that the antennae of N. typhlocybae females have peculiar and complex sensory structures: deep longitudinal grooves that house long sensilla trichodea, termed here “Antennal Dorsal Organs.” Such structures were not present on male antennae. These sensilla extend for the length of the grooves, without contact with the groove cuticle. Their hair shaft is empty and aporous, and inserted into a specialized socket, underneath which there is a cuticular ampulla-like chamber. Each sensillum is associated with two sensory neurons: one terminates at the proximal end of the dendritic sheath; the other continues into the sensillum sinus and is enclosed
in the dendritic sheath. This second sensory neuron then enters the ampulla-like chamber through the circular
opening, and then terminates with a conspicuous tubular body at the shaft base. The possible involvement of this peculiar structure in the context of host recognition mechanism is discussed.

KEY WORDS: antennal sensilla; fine structure; mechanoreception;vibratory stimuli; antennal glands;parasitoid

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Judul Seri: Journal Of Morphology
No. Panggil: -
Penerbit: : Wiley Periodicals., 2016
Deskripsi Fisik: Journal Of Morphology 277:128–137 (2016)
Bahasa: English
ISBN/ISSN: DOI 10.1002/jmor.204
Klasifikasi: -
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: BIOLOGI
Info Detail Spesifik: -
Pernyataan Tanggungjawab: Wati/Agus

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FULL TEXT:Anatomy of the Antennal Dorsal Organ in Female of Neodryinus typhlocybae (Hymenoptera: Dryinidae):A Peculiar Sensory Structure Possibly Involved in Perception of Host Vibration

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