scholarly journals Effects of Pesticide Deposit Pattern on Rate of Contact and Mortality of Aphytis holoxanthus (Hymenoptera: Aphelinidae)

1999 ◽  
Vol 82 (1) ◽  
pp. 28
Author(s):  
S. U. Rehman ◽  
H. W. Browning ◽  
M. Salyani ◽  
H. N. Nigg
Keyword(s):  
Aphytis Holoxanthus

Increases in Florida Red Scale Populations through Pesticidal Elimination of Aphytis holoxanthus Debach in Florida Citrus

2000 ◽  
Vol 18 (2) ◽  
pp. 87-93 ◽  
Author(s):  
Sami U Rehman ◽  
H.W Browning ◽  
H.N Nigg ◽  
J.M Harrison
Keyword(s):  
Florida Citrus ◽  
Florida Red Scale ◽  
Aphytis Holoxanthus

Residual Effects of Carbaryl and Dicofol on Aphytis holoxanthus Debach (Hymenoptera: Aphelinidae)

1999 ◽  
Vol 16 (3) ◽  
pp. 252-257 ◽  
Author(s):  
Sami U Rehman ◽  
Harold W Browning ◽  
Herbert N Nigg ◽  
Jay M Harrison
Keyword(s):  
Residual Effects ◽  
Aphytis Holoxanthus

Oppositional responses to host density in Aphytis holoxanthus (Hymenoptera: Aphefinidae), an efficient gregarious parasite

1978 ◽  
Vol 3 (4) ◽  
pp. 305-311 ◽  
Author(s):  
HAGGAI PODOLER ◽  
DAVID ROSEN ◽  
MICHAL SHARONI
Keyword(s):  
Host Density ◽  
Aphytis Holoxanthus

Effects of the malathion-bait mixture used on citrus to control Ceratitis capitata (Wiedemann) (Diptera: Tephritidae) on the Florida red scale, Chrysomphalus aonidum (L.) (Hemiptera: Diaspididae), and its parasitoid Aphytis holoxanthus DeBach (Hymenoptera: Aphelinidae)

1987 ◽  
Vol 77 (2) ◽  
pp. 303-307 ◽  
Author(s):  
Ephraim Cohen ◽  
Haggai Podoler ◽  
Muhamad El-Hamlauwi
Keyword(s):  
Biological Control ◽  
Adverse Effects ◽  
Ceratitis Capitata ◽  
Immature Stages ◽  
Beneficial Insects ◽  
Scale Cover ◽  
Florida Red Scale ◽  
Aphytis Holoxanthus ◽  
Chrysomphalus Aonidum

AbstractExamples of Chrysomphalus aonidum (L.) from which the scale covers had been removed, were about six times as sensitive to malathion as intact insects (LC50s of 0·09% and 0·55%, respectively). These results indicate that the scale cover probably absorbed part of the insecticide. Immature stages of the external parasitoid Aphytis holoxanthus DeBach on C. aonidum were not affected by 0·13% malathion applied to the host. However, adults of the parasitoid, which were extremely susceptible, were exposed before or during emergence to lethal levels of the insecticide present in the host scale cover. The findings are discussed in the light of the adverse effects of malathion-bait sprays applied against Ceratitis capitata (Wiedemann) on beneficial insects, and failures of biological control of scale pests on citrus in Israel.

Establishment of Aphytis holoxanthus as a Parasite of Florida Red Scale in Florida

1963 ◽  
Vol 56 (5) ◽  
pp. 603-605 ◽  
Author(s):  
D. W. Clancy ◽  
Allen G. Selhime ◽  
Martin H. Muma
Keyword(s):  
Florida Red Scale ◽  
Aphytis Holoxanthus
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