Ultrastructure of Phasmid Development in Meloidodera floridensis and M. charis (Heteroderinae)

Phylogenetic characters for Heteroderinae Luc. et al., 1988 are evaluated in Meloidodera which is believed to have primarily ancestral characters. Phasmid ultrastructure is observed in second-stage juveniles (J2), third-stage juvenile males, fourth-stage juvenile males, and fifth-stage males of Melo...

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Veröffentlicht in:Journal of nematology. - 1969. - 22(1990), 3 vom: 16. Juli, Seite 362-85
1. Verfasser: Carta, L K (VerfasserIn)
Weitere Verfasser: Baldwin, J G
Format: Aufsatz
Sprache:English
Veröffentlicht: 1990
Zugriff auf das übergeordnete Werk:Journal of nematology
Schlagworte:Journal Article Heteroderinae Meloidodera charis Meloidodera floridensis end apparatus male development molting multilamellar body neuromorphology phasmid mehr... phylogeny secretion ultrastructure
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245 1 0 |a Ultrastructure of Phasmid Development in Meloidodera floridensis and M. charis (Heteroderinae) 
264 1 |c 1990 
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520 |a Phylogenetic characters for Heteroderinae Luc. et al., 1988 are evaluated in Meloidodera which is believed to have primarily ancestral characters. Phasmid ultrastructure is observed in second-stage juveniles (J2), third-stage juvenile males, fourth-stage juvenile males, and fifth-stage males of Meloidodera floridensis and M. charis. Phasmid secretion occurs inside the egg before the J1-J2 molt. Before J2 hatch, concentric lamellar membranes occur within the sheath and socket cells. Some membranes become lamellae of the sheath cell plasma membrane; others become multilamellar bodies. During early molting, plasma membrane lamellae disappear and a distal dendrite segment appears in a rudimentary canal. After the molt, the distal dendrite is not present within the canal. The phylogenetic utility of phasmid features is discussed. In both species the ampulla shape and size between molts are stable features in juveniles and males. The posthatch J2 sheath cell receptor cavity may vary in a species specific manner, but comparative morphology requires precise timing after hatch 
650 4 |a Journal Article 
650 4 |a Heteroderinae 
650 4 |a Meloidodera charis 
650 4 |a Meloidodera floridensis 
650 4 |a end apparatus 
650 4 |a male development 
650 4 |a molting 
650 4 |a multilamellar body 
650 4 |a neuromorphology 
650 4 |a phasmid 
650 4 |a phylogeny 
650 4 |a secretion 
650 4 |a ultrastructure 
700 1 |a Baldwin, J G  |e verfasserin  |4 aut 
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