Short and long-term effects of azadirachtin A on development and egg production of Rhodnius prolixus
Mem. Inst. Oswaldo Cruz
;
85(1): 11-5, jan.-mar. 1990. tab
Article
in English
| LILACS
| ID: lil-85161
ABSTRACT
Azadirachtin A was given through a blood meal to 4th-instar larvae and to adult females of Rhodnius prolixus. Development (ecdysis) and egg production were inhibited in a dose-dependent manner. Long-term experiments with subsequent four feedings on azadirachtin-free blood were performed with 4th-instar larvae and with adult females. Only in the low-dose azadirachtin larval groups (0.01 and 0.1 microng/ml of blood), development was partially restored; after a single 1.0 microng/ml treatment about 50% of the treated larvae were still alive 120 days later without any adult emergence. Similarly fed females had a dose-dependent lower survival and egg deposition rate. The results are discussed in relation to the mode of azadirachtin A action
Full text:
Available
Index:
LILACS (Americas)
Main subject:
Oviposition
/
Rhodnius
/
Triterpenes
/
Insecticides
/
Larva
Limits:
Animals
Language:
English
Journal:
Mem. Inst. Oswaldo Cruz
Journal subject:
Tropical Medicine
/
Parasitology
Year:
1990
Type:
Article
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