42345 - Insect Physiology and Biochemistry

Academic Year 2008/2009

  • Teaching Mode: Traditional lectures
  • Campus: Bologna
  • Corso: Second cycle degree programme (LS) in Agro-industrial Systems Sciences (cod. 0351)

Learning outcomes

The student will learn in details the main physiological processes that regulates the insect life, with emphasis on the understanding the mode of action of the different classes of insecticides.

Course contents

Lectures:

Introductory comments.

Insect reproduction and embryonic development: male and female reproductive organs; oogenesis and spermatogenesis; egg fertilization and embryonic development. 

The nervous system: the nerve cell; signal trasmission; neurotransmitters and neuromodulators. Anatomy of insect nervous system.

Sensory system: classification of sensory receptors; meccanoreception; chemioreception: olfactory and gustatory; insect vision.

Endocrine system: hormones and neurhormones; endocrine organs; transport and mode of action of hormones; hormone titer during embryonic and post-embryonic development.

Alimentary canal: anatomy of the gut; digestion and absorption; nutritional requirements.

Circulatory system: anatomy and blood circulation; hemolymph composition and functions.

Excretory system: excretory organs; nitrogenous excretion; water regulation; detoxification.

Insecticides activity on insect physiology.

Readings/Bibliography

- Lecture notes

- Reference books:

  • Nation J.L., Insect Physiology and biochemistry, CRC Press 2002.
  • Chapman R.F., The insect, 4th Ed., Cambridge University Press 1988

Teaching methods

The lectures are supplemented with audio-visual aids.

The course includes laboratory practicals.

Assessment methods

The student will have to take an oral examination

Teaching tools

Videoprojector, PC

Office hours

See the website of Antonio Martini