Heligmonellinae base

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Tricholinstowia mogera male

Super-family : Heligmosomoidea
Family : Heligmonellidae
Sub-family : Heligmonellinae
Synonymy:
= Longistriata mogera Sadovskaya, 1952;
= Morganiella mogera Skrjabin&Schikhobalova, 1954.

Author and date : Sadovskaya, 1952
Parasite of Mogera (Talpa) robusta, Talpidae, Mammalia
Locality: URSS (marine territory)
Location: intestine

Collection :  not specified
References :  no

Very small nematodes.Cuticle covered throughout body wih finetransverse striation. Cephalic end with a transversaly striated spherical vesicle.

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Classification

• Genus : Tricholinstowia

Generality of the parasite

• Host : Talpidae
• Biogeographic region : Palearctic region

Whole body

• Length of the body : 1000 to 2000 µm
• Width of the nematode at midbody : 25 to 50 µm

Cephalic characters

• Presence of cephalic vesicle : Yes
• Width of the cephalic vesicle (in middle) : 21 to 30 µm
• Number of internal labial papillae : ?
• Number of external labial papillae : ?
• Presence of cephalic papillae : ?
• Length of the cephalic vesicle : 31 to 40 µm

Anterior part

• Position of the nervous ring from the anterior end : ?
• Position of the excretory pore from the anterior end : ?
• Position of deirides from the anterior end : ?
• Length of the oesophagus : 251 to 300 µm
• Ratio length of the oesophagus over the total length : 16 to 20%
• Excretory glands : ?

Synlophe at midbody

• Number of cuticular ridges at midbody : ?
• Size of ridges : ?
• Axis of orientation of the synlophe : ?
• Right axis : ?
• Left axis : ?
• Appearance of ridges : ?
• Nature of the ridges : ?
• Number of dorsal ridges at midbody : ?
• Disappearance of the cuticular ridges in the female : non applicable
• Disappearance of the cuticular ridges in the male : At the level of the caudal bursa
• Only a general axis : ?
• Number of ventral ridges at midbody : ?
• Presence of a gradient of size of the cuticular ridges : ?

Reproductive tract of the female

• Presence of egg : non applicable
• Length of egg : non applicable
• Width of egg : non applicable
• Number of egg : non applicable
• Length of vestibule : non applicable
• Sex of the nematode : Male
• Length of vagina vera : non applicable
• Length of the tail : non applicable
• Position of the vulva from the posterior end : non applicable
• Length of anterior sphincter : non applicable
• Length of anterior uterus : non applicable
• Presence caudal pointed tail : non applicable
• Length of anterior infundibulum : non applicable

Reproductive tract of the male

• Sex of the nematode : Male
• Height of the division of the dorsal ray : Posterior third
• Length of the rays 9 in ratio to the rays 10 : ?
• Diagram of rays 2 to 6 (left lobe) : Type 1-3-1
• Disposition of types of bursal arrangements in lateral lobes : ?
• Length of rays 2 to 6 : 2<3 ; 3>4 ; 4<5 ; 5>6
• Birth of rays 8 : At the base of the dorsal ray
• Length of the rigth spicule : <100 µm
• Length of the left spicule : <100 µm
• Shape of the spicules : ?
• Number of tips of the spicules : ?
• Shape of the genital cone : ?
• Length of genital cone : ?
• Presence of papilla 0 on anterior lip of genital cone : ?
• Presence of papillae 7 on posterior lip of genital cone : ?
• Presence of gubernaculum : ?
• Width of gubernaculum : ?
• Asymmetry of the caudal bursa : ?
• Height of the asymmetry : ?
• Width of asymmetry : ?
• Diagram of rays 2 to 6 (right lobe) : ?
• Dorsal lobe visible : Distinct
• Diagram of basic pattern of the caudal bursa (lobes left and right are symmetric) : ?
• Tendency of the diagram ( lobes left and right are symmetric) : ?
• Tendency of diagram (left lobe) : Tendency 1-4
• Tendency of diagram (right lobe) : ?
• Presence of the prebursal rays (= rays 1) : No
• Approaching rays 5 to 6 : Yes
• Ratio length between ray 8 and dorsal ray : Dorsal ray = ray 8
• Position of the rays 9 : ?
• Form of gubernaculum : ?
• Length of gubernaculum : ?
• Symmetry of the caudal bursa : ?

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Base mise à jour le 1 août 2008 | Page générée avec Xper2 le 17 juillet 2009