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DESCRIPTION OF THE PREPARATORY STAGES OF NEONYMPHA CANTHUS, Linn. (EXCEPT THE CHRYSALIS.)

Published online by Cambridge University Press:  31 May 2012

W. H. Howards
Affiliation:
Coalburgh, W. VA.

Extract

Egg.—Sub-rotund, broadest at base, and there flattened; surface slightly rough, but without definite markings under a pretty high power; color greenish-white. Duration of this stage about 7 days.

Young Larva.—Length just from egg, .09 inch; color yellow-white; but in a few hours changes to pale green; shape cylindrical, long, slender; the last segment bluntly bifurcated; on each segment a few tubercles, each of which gives out a clubbed white hair; head, at first, nearly twice as broad as 2, obovoid, truncated and depressed; on each vertex a small rounded prominence, indented at top, and from the middle of the hollow rises a little tubercle, with a bristle; color light brown; the surface shallowly pitted, and sparsely pilose; ocelli reddish brown.

Information

Type
Articles
Copyright
Copyright © Entomological Society of Canada 1883

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References

* All these have been described, as to their preparatory stages, in this magazine.