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Meloidogyne Goeldi, 1892
“Cuticle not abnormally thick, annulated in all stages of the male and female. Cephalic framework of medium sclerotization; lateral sectors equal to wider than submedian sectors.
Female. Sedentary, globose with projecting neck. No preadult vermiform female stage. Cuticle moderately thick; annulation forming finger-print like pattern around vulva and anus. Labial disc dumb-bell shaped, not detached from labial sectors. Cephalic framework and spear delicate. Excretory pore anterior to median oesophageal bulb, often only slightly posterior to stylet base. Vulva and anus terminal; perineal region flush or slightly raised. No cyst stage. Eggs not retained in body but deposited in a gelatinous matrix (exception Meloidogyne spartinae where eggs ate deposited individually without gelatinous matrix).
Male. Labial area low, not set-off, irregularly annulated. Lateral field with four lines.
Juveniles. Second stage juveniles migratory, vermiform. Cephalic framework and spear delicate. Labial area not set-off. Late second-stage sedentary, swollen (spike-tailed). Third and fourth stages occurring within the second stage cuticle, devoid of stylet.” From website by Powers, T. and Mullin P. http://nematode.unl.edu/meldds.htm
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Powers T. and P. Mullin. Plant and Insect Parasitic Nematodes. University of Nebraska Nematology Website. http://nematode.unl.edu/