Checklist / Semiscolecidae / Patagoniobdella / Patagoniobdella fraterna
Patagoniobdella fraterna
ยท Semiscolecidae
External morphology
Dorsum similar to P. variabilis, dark reddish-brown with medial and paramedial longitudinal zones of light brown pigment patches when alive. Cephalic somites with five pairs of irregular eyespots arranged in parabolic arc on uniannulate somites II, III, IV, and on first annulus of biannulate somites V and VI (fig. 21). Male gonopore on annulus XII b1 ; female gonopore on annulus XII a2 (i.e., separated by 1/2 + 1 + 1/2 annuli; fig. 20).
Internal morphology
Testisacs at interganglionic intervals. Anteriormost testisacs at XIV/XV are paired (i.e., four testisacs at interval), as are those at XV/XVI through XXIII/XXIV, which appear as doublets on each side. Ejaculatory duct between epididymes and penis sheath with posterior procurrent loop.
Habitat & range
- Habitat
- Freshwater
- Region
- South America
- Recorded from
- Chile
Original description
Ringuelet, Dos hirudineos nuevos del genero Patagoniobdella (Hirudinoidea Semiscolecidae) de los lagos andino patagonicos de la Republica Argentina. (1976). Limnobios, 1(3), 61-66