head by Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
head by Deans, A. R. 2009. HAO curator..
head by Kirby, W., and W. Spencer. 1828. An introduction to Entomology: or elements of the natural history of insects. Longman, Rees, Orme, Brown & Green, London 732 pp.
Comments and tags
BAO candidate added almost 14 years ago by Aaron Smith
alternative definition added about 15 years ago by Istvan Miko
The first or anteriormost of the three main body regions of an insect, which bears the
mouthparts and major sense organs.
Reference: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
Cross reference: None provided.
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