Sciuricola dremomys male
Super-family : Heligmosomoidea
Family : Heligmonellidae
Sub-family : Heligmonellinae
Synonymy :
= Impalaia dremomys, Yen, 1973
= Heligmonella dremomys, Gibbons, Durette-Desset and Daynes, 1977
Author and date : (Yen, 1973) Durette-Desset, 1974
Parasite of Dremomys r. rufigenis, Sciuridae, Mammalia
Locality : Fengchiang, Province of Yunnan (China)
Location : small intestine
Collection : Institute of Zoology, Academia Sinica, Peking, China
Reference :
Yen, 1973. Acta zoologica sinica 19: 354-364 (personal reference N 5759)
Gibbons, Durette-Desset and Daynes, 1977. Annales de parasitologie humaine et comparée, 52: 435-446 (personal reference n°95 nas)
No synlophe described
Anterior end of Sciuricola dremomys
Dorsal and left lateral lobeof the caudal bursa of Sciuricola dremomys male
Dorsal lobe of Sciuricoladremomys male
Classification
Generality of the parasite
Whole body
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 : 100 to 150 µm
- 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 : 6 to 10%
- Excretory glands : Not visible
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 : Continuous ridges ; Longitudinal 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 : 9<10
- Diagram of rays 2 to 6 (left lobe) : Type 1-3-1
- Disposition of types of bursal arrangements in lateral lobes : Non-similar diagram left and right
- 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 : 401 to 500 µm
- Length of the left spicule : 401 to 500 µm
- Shape of the spicules : Sharp
- Number of tips of the spicules : 1
- Shape of the genital cone : Large
- Length of genital cone : 26 to 50 µm
- Presence of papilla 0 on anterior lip of genital cone : ?
- Presence of papillae 7 on posterior lip of genital cone : Yes
- Presence of gubernaculum : Yes
- Width of gubernaculum : 0 to10 µm
- Asymmetry of the caudal bursa : non applicable
- Height of the asymmetry : non applicable
- Width of asymmetry : non applicable
- 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) : non applicable
- Tendency of the diagram ( lobes left and right are symmetric) : non applicable
- Tendency of diagram (left lobe) : Tendency 1-3-1
- Tendency of diagram (right lobe) : ?
- Presence of the prebursal rays (= rays 1) : ?
- Approaching rays 5 to 6 : No
-
Ratio length between ray 8 and dorsal ray : Dorsal ray
- Position of the rays 9 : At the level of the division
- Form of gubernaculum : Well marked: oval form
- Length of gubernaculum : 21 to 30 µm
- Symmetry of the caudal bursa : Symmetric