Paraheligmonella dubia male
Super-family : Heligmosomoidea
Family : Heligmonellidae
Sub-family : Heligmonellinae
Synonymy :
= Longistriata dubia, (Travassos, 1921); Travassos and Darriba; 1929; Bravo Hollis,1950
Author and date: (Bravo Hollis,1950)
Parasite of Romerolagus diazi, Leporidae, Mammalia
Locality : Cerro Pelado (Mexico)
Location : small intestine
Collection : Coleccion Helimintologica del institudo de biologia; number 136-1
Reference : Bravo Hollis,1950. Annales del instituto de biologia de Mexico, 21: 103-118
Romerolagus diazi (Host)
Caudal bursa of Paraheligmonella dubia 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 ; 31 to 40 µm
- Number of internal labial papillae : ?
- Number of external labial papillae : ?
- Presence of cephalic papillae : ?
- Length of the cephalic vesicle : 31 to 40 µm ; 41 to 50 µm ; 51 to 60 µm
Anterior part
- Position of the nervous ring from the anterior end : ?
- Position of the excretory pore from the anterior end : 251 to 300 µm
- Position of deirides from the anterior end : ?
- Length of the oesophagus : 201 to 250 µm ; 251 to 300 µm ; 301 to 350 µm
- Ratio length of the oesophagus over the total length : 6 to 10%
- 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 : On the posterior edge of the cephalic vesicle
- Nature of the ridges : Continuous 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 : ?
- 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 : Anterior third
- Length of the rays 9 in ratio to the rays 10 : 9>10
- Diagram of rays 2 to 6 (left lobe) : non applicable
- Disposition of types of bursal arrangements in lateral lobes : similar diagram left ant right
- Length of rays 2 to 6 : ?
- Birth of rays 8 : On the base joint to rays 2 to 6
- Length of the rigth spicule : 201 to 300 µm
- Length of the left spicule : 201 to 300 µm
- Shape of the spicules : Sharp
- Number of tips of the spicules : ?
- Shape of the genital cone : Triangular
- 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 : non applicable
- Height of the asymmetry : non applicable
- Width of asymmetry : non applicable
- Diagram of rays 2 to 6 (right lobe) : non applicable
- 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) : non applicable
- Tendency of diagram (right lobe) : non applicable
- 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 : After the division
- Form of gubernaculum : ?
- Length of gubernaculum : ?
- Symmetry of the caudal bursa : Symmetric