تأثير بعض المستخلصات النباتية في نمو و تطوير العمر الثاني لخنفساء الشعرية Trogoderm granarium Everts (Coleoptera Dermeseidae)‎

الملخص EN

A bioassay of some pland extract were accomplished.

The included alcoholic extracts of leave of teucrium polium, melia azedarach and the inner cover of punica grantum against 2nd instar larvae of the trogoderma granariunm.

All extract have shown high bioactivity in the groeth and development of the 2nd instar larvae .In addition to that the extracts have caused values of the percentage of inhibition of emergence varied according the that extracts and its concentration.

It has been found that the alcoholic extract of punica grandtum and melia azedarach at 6000p.p.m caused higher percentage of inhibition of emergence and this was accpmpanied by the appearance of different changes and anomalies in the appearance and cases of abnormal growth represented by the appearance of emall size of pupae.

In the adults such cases and changes were shown by the death of adults which had short folded wrinkled wings and also there were adults of smll size unble to live for along time.