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Biological control studies of soft and hard ticks in Egypt. I. The effect of Bacillus thuringiensis varieties on soft and hard ticks (ixodidae). 1997

M A Hassanain, and M F el Garhy, and F A Abdel-Ghaffar, and A el-Sharaby, and K N Abdel Megeed
Department of Parasitology and Animal Diseases, National Research Center, Cairo, Egypt.

The potential activity of three varieties of Bacillus thuringiensis (kurstaki, israeliensis, and thuringiensis) against the soft tick Argas persicus and the hard tick Hyalomma dromedarii was investigated. Soft ticks succumbed within a period ranging from 36 h to 5 days and hard ticks died at between 48 h and 10 days posttreatment, depending on the dose. Concentrations lethal to 50% of tick populations (LC50 values) indicated that Dipel 2x (B. thuringiensis var. kurstaki) was the most potent, followed by Vectobac (B. thuringiensis var. israeliensis), then HD 703 (B. thuringiensis var. thuringiensis). A. persicus was more affected than H. dromedarii by B: thuringiensis varieties. Eggs were mostly affected at 16 and 25 days after deposition for A. persicus and H. dromedarii, respectively.

UI MeSH Term Description Entries
D008297 Male Males
D010572 Pest Control, Biological Use of naturally-occuring or genetically-engineered organisms to reduce or eliminate populations of pests. Biological Pest Control,Biologic Pest Control,Pest Control, Biologic,Biologic Pest Controls,Biological Pest Controls,Pest Controls, Biologic,Pest Controls, Biological
D004534 Egypt A country in northern Africa, bordering the Mediterranean Sea, between Libya and the Gaza Strip, and the Red Sea north of Sudan, and includes the Asian Sinai Peninsula Its capital is Cairo. Arab Republic of Egypt,United Arab Republic
D005260 Female Females
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001413 Bacillus thuringiensis A species of gram-positive bacteria which may be pathogenic for certain insects. It is used for the biological control of the Gypsy moth. Bacilan,Dipel,Thuricide
D013983 Tick Control Chemical, biological, or medical measures designed to prevent the spread of ticks or the concomitant infestations which result in tick-borne diseases. It includes the veterinary as well as the public health aspects of tick and mite control. Mite Control,Control, Mite,Control, Tick,Controls, Mite
D013987 Ticks Blood-sucking acarid parasites of the order Ixodida comprising two families: the softbacked ticks (ARGASIDAE) and hardbacked ticks (IXODIDAE). Ticks are larger than their relatives, the MITES. They penetrate the skin of their host by means of highly specialized, hooked mouth parts and feed on its blood. Ticks attack all groups of terrestrial vertebrates. In humans they are responsible for many TICK-BORNE DISEASES, including the transmission of ROCKY MOUNTAIN SPOTTED FEVER; TULAREMIA; BABESIOSIS; AFRICAN SWINE FEVER; and RELAPSING FEVER. (From Barnes, Invertebrate Zoology, 5th ed, pp543-44) Ixodida,Ixodidas,Tick

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