אסיף מאגר המחקר החקלאי

Der Ecdysontiter während der Insektenentwicklung-II. Die postembryonale Entwicklung der Schmeissfliege Calliphora erythrocephala Meig.

Year:

1965

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Volume :

11

Co-Authors:

Shaaya, E., Physiologisch-chemisches Institut der Universität München, Germany
Karlson, P., Physiologisch-chemisches Institut der Universität München, Germany

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Abstract:

In the third larval instar of Calliphora the ecdysone titre is very low. It rises to a level of 7 to 8 Calliphora units per gram fresh weight only shortly before puparium formation. The maximum is attained 5 to 6 hr after puparium formation, i.e. 15 to 20 hr before the pupal ecdysis. A second maximum occurs on the 11th to 13th day, i.e. during imaginal development. These values are compared with some preliminary data of ecdysone levels in lepidopteran development. © 1965.

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