Dec, I9II.] Miscellaneous Notes. 259 



described by N. Holmgren^ in the development of a South American 

 termite, Rhinotermes taunts. In this case the worker larvae immedi- 

 ately after ecdysis, pass into a quisecent condition, very similar in 

 general appearance to the one I have described except for the fact 

 that they have no wings, and remain in this condition for a period 

 varying from one hour to three days. Escherich" states that this must 

 be regarded physiologically as a pupal condition since internal changes 

 also occur. It will be noticed that in this case the quiescent period 

 occurs only in larvae and then after an ecdysis, whereas in Ternies 

 flavipcs it has only been seen to occur during the transition period 

 between the nymphs and adults of the sexual forms and then for the 

 greater part before the ecdysis, so that this approaches more closely 

 to the normal pupal stage of Holometabolous insects. 



Explanation of Plate IX. 



Fig. I. Quiescent nymph of Tcrmcs flavipes, ventral view. 



Fig. 2. Same, lateral view. 



Fig. 3. Wing of adult T. flavipcs before expansion, c, costal vein ; Sc, 

 subcostal vein ; R, radius ; M, median ; cu, cubital ; An, anals. 



Fig. 4. Freshly emerged adult of Termes flavipcs, ventral view. 



Fig. 5. Same, dorsal view. 



Fig. 6. Same, lateral view. 



MISCELLANEOUS NOTES. 



Migration of Alabama argillacea Hiibner. — An unusual invasion of 

 the cotton moth, Alabama argillacea, occurred apparently throughout 

 the Middle States in late September and early October of the present 

 year. According to the reports of those who have given the subject 

 of the cotton moth careful study, the species, which is of South Ameri- 

 can or West Indian origin, feeds in the United States exclusively on 

 the cotton plant. As cotton is grown no nearer to New York than 

 Virginia the moths covered a distance by flight of at least four hun- 

 dred miles in some instances. This seems remarkable when the con- 

 dition of the specimens is taken into consideration, for in most cases 



^ Studien iiber siidamerikanische Termiten. Zool. Jahrb. Abt. f. Syst., 

 XXIII, 1906. 



^ Die Termiten oder Weissen Ameisen. Leipzig, W. Klinkhardt, 1909. 



