File:Melanoplus spretusUSEntCommV1P01AA1.jpg

Caption:

*Fig. 1. — Caloptenus spretus (=Melanoplus spretus), newly hatched, or in first larval stage, from side; 1b, same, while yet pale, from above; 1a, antenna of same. 
* Fig.2.-Second stage; 2a, antenna; 2b, thorax, from above; 2c, thorax, from side. 
* Fig.3.-Third stage; 3a, antenna; 3b, thorax, from above; 3c, thorax, from side. 
* Fig. 4.-Fourth stage, or first pupal stage; 4a, antenna; 4b, thorax, from above; 4c, thorax, from side. 
* Fig.5.-Fifth stage, or true pupa; 5a, antenna; 5b, thorax, from above; 5c, thorax, from side; 5d, pupal exuviae, or last skin shed. 
* Fig.6.--Sixth stage, or mature insect, the figure showing a typical male from the permanent breeding-grounds; 6a, smaller form, as hatched in the lower and moister country, where the species is not indigenous — natural size. 
* Fig.7.-Typical female, with wings expanded — natural size. 
* Fig.8.-Antenna of mature insect. 
* Fig.9.-Enlarged thorax of mature insect, from above; 9a, same, from side. 
* Fig.10.- Anal characters of male, from above; 10 a, do., from side; 10 b, do., from behind. 
* Fig. 11. 

— Anal characters of female, from side.

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