banks: antillean isoptera. 479 



convex behind, sides rounded, hardly narrowed behind; head and 

 body with scattered moderately long, erect hairs; legs short, hind 

 femora much swollen. Length of head, 3 mm. 



This may not be the soldier of A', posticus; if not it is new, and the 

 soldier of K. posticus still unknown. Winged forms are from St. 

 Thomas (Moritz), Cuba (Poey), and Haiti (Uhler). 



Termitidae. 



Winged. 



1. Head with a small nose-like process over clj^peus Rhinotermes 



Head without such process 2. 



2. Wings without marginal cilia ; no apparent median vein . . .Prorhinotermes. 

 Wings ciliate on outer and hind margins ; median vein present 3 



3. No ocelli Leucotermes. 



Ocelli present 4 



4. Third antennal joint plainly longer than the second; fontanelle slender, 



elongate or faintly triangular Constridotermes. 



Third antennal joint barely if any longer than the second 5 



5. Clypeus three or four times as broad as long 6 



Clypeus twice as broad as long; above deeply indenting the lower margin 



of the face 8 



6. Fontanelle elongate triangular; some muscular impressions below fon- 



tanelle; pronotum usually much narrowed behind. .. .Nasutitermes. 

 Fontanelle not elongate triangular 7 



7. Fontanelle distinct Coptotermes. 



Fontanelle indistinct or absent Eutermes. 



8. Mandibles longer than usual; fontanelle indistinct or absent. 



Anoplotermes. 

 Mandibles of normal length, or short; fontanelle small but distinct. . . .9 



9. Cubital vein ends near tip of wing Mirotermes. 



Cubital vein ends much before tip on hind margin 10 



10. Pronotum twice as broad as long Amitermes. 



Pronotum not twice as broad as long Armitermes. 



The last two genera are not yet recorded from the West Indies, but occur 

 in Panama. 



Soldiers. 



1. No soldier caste Anoplotermes. 



Soldiers present 2 



2. Head nasute, mandibles not visible above 3 



Head not nasute; or at least mandibles distinct .6 



3. Nasute process forked at tip Rhinotermes. 



Nasute process not forked 4 



