BIOLOGY OF THE TERMITES OF THE EASTERN UNITED STATES. 29 
species can be differentiated. The soldiers, like the workers, are 
wingless and blind. Individuals of both castes complete their devel- 
opment in less than a year. 
The nymphs of the reproductive form develop from larve that will 
mature the sexual organs. The term ‘‘nymph” is applicable, 
these bands occur on both flavipes 
a, Nymphs of the first form, and soldiers, Maryland, May 18, 1912; b, young nymphs, Maryland, May 
18, 1912; c, view of brownish-black bands on dorsum of the abdomen of worker (enlarged 20 times); 

& A 
Ss — 
S Ss 
<< Ss 
SS g 
~ 4S 
Sy 2? 
— OC) 
2 O 
=: 
~ 
o 
§ w 
S 3 
s 2 
Ss > 
8 & 
= > 
LS = 
| ~ 
< a 
ao =| 
: 3 
oS 
= 
according to Lespés and Hagen, to individuals ‘‘with the wing- 
rudiments easily distinguishable to the naked eye.”* Individuals 
the wing-rudiments of which are present, but only distinguishable 
when under magnification, are termed larve. Nymphs are white 


@ Grassi, B., and Sandias, A. Op. cit., p. 264. 
