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Now showing items 101-110 of 127
Tail Fracture Planes of Autotomy in Geckos
(
Qatar University
, 1993 , Article)
The structure of the tail facture planes was morphologically and histologically studied in two species of geckoid lizards, living in Qatar, Cyrtodactylus scaber and Bunopus tuberculatus. The fracture plane is formed of a ...
On sexual dimorphism in the shrimp Palaemon pacificus (decapoda: palaemonidae) Collected from the red sea
(
Qatar University
, 1994 , Article)
Palaemon pacificus is common in the Red Sea coast and the sexes are separate. Potential sexual dimorphism in 38 morphological parameters was investigated in a population of Palaemon pacificus collected from the Red Sea ...
A List of Marine Algae from Seashores of Iran (Hormozgan Province)
(
Qatar University
, 1999 , Article)
Seashores of Hromzgan province in south of Iran were studied for collection and recogna-tion of algal flora (1991-1996). 150 species of marine algae were recognized, including 36 Chlorophyta (16 new). 33 Phaeophyta (15 ...
Helminth parasites of fishes from the arabian gulf: 5. On helicometrina qatarensis n. Sp. (digenea: opecoelidae) and stephanostomum nagatyi N. SP. (digenea: acanthocolpidae); parasites of Epinephelus Spp. from Qatari Waters
(
Qatar University
, 1988 , Article)
Helicometrina qatarensis n. sp. is described from Epinephelus tauvina and E. summana. It differs from other species of Helicometrina which have 9 testes in the body shape, position of genital pore, distribution of vitellaria ...
Effects of gamma radiation on the Elemental composition of the flour moth Ephestia kuhniella z
(
Qatar University
, 1994 , Article)
The effect of gamma radiation on the elemental composition of larvae, pupae and adults stages of the flour moth Ephestia kuhniella after irradiation of eggs to the sterilizing dose was studied. The elemental composition ...
The morphology of synhimantus (dispharynx) passeri sp. Nov., nematoda (acuariidae)
(
Qatar University
, 1990 , Article)
A new species of the nematode genus Syahimantus recovered from Passer domesticus niloticus at Cairo is described using both light and scanning electron microscopy. The taxonomy of the new species is discussed and compared ...
Biological effects of gamma radiation on stored product insects. 4 - radiation effects on sex pheromone production and perception by the rust-red flour beetle. Tribolium castaneum (herbst)
(
Qatar University
, 1985 , Article)
Irradiation of the rust-red flour beetle, T. castaneum at different doses of gamma radiation considerably affected sex pheromone production by females and perception by males. The production of sex pheromone by virgin ...
Effects of gamma radiation on the activity of the, mosquito culex pipiens L. : I. Effects on the attraction of the mosquito to light, colours and host
(
Qatar University
, 1988 , Article)
The present work was carried out to investigate the effects of gamma radiation at three doses: 40, 80 and 120 Gray. On the response of the adult mosquito Culex pipieas complex when irradiated in the larval, pupal or adult ...
Biodiversity Of Helminth Parasites Of Fishes In The Arabian Gulf, With Special Reference To Digenetic Trematodes And Cestodes
(
Qatar University
, 1996 , Article)
Biodiversity of the fish fauna in the Arabian Gulf is remarkable with more than 450 species known to date in this offshoot from the Indian Ocean. The present status of our knowledge on helminth parasites of fishes in the ...
On A New Haemogregarine Of Varanus Griseus From Egypt
(
Qatar University
, 1996 , Article)
Ten monitors, Varanus griseus collected from various localities in Egypt were examined for protozoan blood parasites. A new species of the genus Haemogregarina senso lato is reported from six of these monitors. Blood forms ...