Fig. 3. — Pliyllopfiaga vandinei n. sp. head "f a grub in third instar, x 10. 



Fig. 4. — Phyllophaga guanicaua n. sp., male genitalia, x6 (with mm. scale). 



Fig. 5. — Phyllophaga citri n. sp., male genitalia, x 6. 



Fig. 6. — Phyllophaga vandinei n. s})., male genitalia, x 6. 



Fig. 7. — Phyllophaga portoricensis n. sp., male genitalia, x 6. 



Fig. 8. — Phyllophaga citri n. sp., female genitalia, x 5^4 (ventral view). 



Fig. 9. — Phyllophaga portoricensis n. sp., egg in pit made by the ovipositor, x 6. 



Fig. 10. — Phyllophaga portoricensis, female genitalia, x.5% (ventral view). 



Plate YI 



Fig. ]. — Black birds (Holoquiscahts brachypterus) following a plow in cane field 



at Santa Rita to pick up white gi'ubs. 



Fig. 2. — Phyllophaga guonicana n. sp., egg lying over soil, x 2. 



Fig. 3. — Phyllophaga guunicana n. sp., swollen eggs in the natural pits, x 6. 



Fig. 4. — Phyllophaga guanicana n. sp., grub at end of second instar, x 2. 



Fig. 5. — Phyllophaga guanicana n. s]i., mature grub (end of tliird instar), x 2. 



Fig. (i. — Phylloplwga guanicana n. sp., male adult, x 2. 



Fig. 7. — Phyllophaga guanicana n. s-p., female adult, x 2. 



Fig. 8. — Phyllophaga citri n. sp., male adult, x 2. 



Fig. 9. — Phyllophaga citri n. sp.. female adult, x 2. 



Plate YII. 



Fig. 1. — Phytalus insularis n. sp., eggs lying over soil, x 3. 



Fig. 2. — Phytalus iiisularis n. sp., grubs at end of third instar, x 3. 



Pig. 3. — Phytalus insularis n. sp., pair of adults, x 3. 



Fig. 4. — Phytalus instdaris n. sp., head of adult below that of Phyllophaga van- 

 dinei to show comparative size, x 6. 



Fig. o. — Phytalus insularis n. sp., anal aspect of female adult (with scale in milli 

 meters to show size), x 6. 



Fig. 6. — Phytalus instdaris n. sp. anal aspect of male adult, x ti. 



Fig. 7. — Cryptomeigeina anrifacies Walton, adult (right) and pupa! case (left), 

 x3. 



Fig. 8. — Tiphia iuoruata Say, adult male at right, adult female at left over the 

 cocoon. 



Plate VIII. 



Life-cycles of individual females of Phyllophaga vandinei n. sp. in Porto Rico. 



Plate IX. 

 Egg-laying records of individual females of Phyllophaga vandinei n. sp. 



92 



