Abstract
A new species of the genus Lutziella (Rohde, 1966) Yamaguti, 1971 is described here and named Lutziella swatensis sp.nov. from the liver of rat (Rattus rattus L.). The new species is characterized by having body flat, smooth, longer than broad with maximum width at the level of the ovary, oral sucker with weak musculature, pharynx small; eosophagus long; caeca of irregular shape which bifurcate on the anterior border of the ovary in to unequal portions, acetabulum weakly muscular, post-testicular, testes lobed, cirrus pouch somewhat median, small in size containing winding seminal vesicle, prostatic complex and short ejaculatory duct. Genital pore median. Ovary post testicular, submedian; seminal receptacle overlapping ovary, laurer's canal present. Vitellaria follicular extending on each side from almost the level of testes to anterior portion of posterior half of the body. Uterus filled with eggs occupying most of the body, eggs oval rather small, numerous, brownish in colour, excretory vesicle tubular with terminal pore. Lutziella swatensis n. sp. is the second species of the genus known from Pakistan as well as the second species described from murid rodents in the world.
Highlights
Rats are capable to harbor various pathogens, among which certain species of zoonotic parasites are included
The new species is characterized by having body flat, smooth, longer than broad with maximum width at the level of the ovary, oral sucker with weak musculature, pharynx small; eosophagus long; caeca of irregular shape which bifurcate on the anterior border of the ovary in to unequal portions, acetabulum weakly muscular, post-testicular, testes lobed, cirrus pouch somewhat median, small in size containing winding seminal vesicle, prostatic complex and short ejaculatory duct
Lutziella swatensis n. sp. is the second species of the genus known from Pakistan as well as the second species described from murid rodents in the world
Summary
Rats are capable to harbor various pathogens, among which certain species of zoonotic parasites are included. Similar studies have been conducted outside Pakistan as Chaisiri et al (2009); Milazzoc et al (2010); Kifune et al (2001); Namue and Wangsawad (2011); Tenora et al (1983);Wiroreno et al (1987) Abundance of these vertebrate pests is of great importance as regards public health issue. Obtained during a two years study on rats over the decades in the country We describe this occurrence in Rattus rattus pest of agricultural importance in the region with specific note on its morphological description. This is the dicrocoelidean flatworm, can infect human through consumption of infected murine food items, and has never been observed in Pakistan
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