42 INSECT ENEMIES OF THE BOLL WEEVIL. 



Insecta — Continued . 

 Hymenoptera. Chalcidoidea — Continued. 

 Perilampidae. 



Perilampus sp.' (parasite), Louisiana. 

 Encyrtida?. Eupelminee. 



Cerambycobius cyaniceps Ashmead (parasite), Arkansas, Louisiana, Mississippi, 

 Oklahoma, Texas. 



Cerambycobius cushmani Crawford (parasite), Texas. 



Cerambycobius sp. (parasite), Mississippi. 

 Pteromalidse. Pteromalinae. 



Catolaccus incertus Ashmead (parasite). United States. 



Catolaccus hunteri Crawford (parasite), Louisiana, Mississippi, Mexico, Texas. 



Habrocytus piercei Crawford, Louisiana, Texas. 



Lariophagus texanus Crawford (parasite), Texas. 

 Eulophidse. Tetrastichinse. 



Tetrastichus hunteri Crawford (parasite), Louisiana, Mississippi, Texas. 

 Hymenoptera. Ichneumonoidea. 



Ichneumonidse. Pimplinse. Pimplini. 



Pimpla sp. (parasite), Texas. 

 Braconidse. Sigalphinae. 



Sigalphus curculionis Fitch (parasite), Louisiana, Mississippi, Texas. 



Urosigalphus anthonomi Crawford (parasite), Texas. 



Urosigalphus schwarzi Crawford (parasite), Guatemala. 



Urosigalphus sp. (parasite), Texas. 

 Braconidse. Braconinse. Braconini. 



Microbracon mellitor Say (parasite), Mexico, United States. 

 Braconidse. 



Unknown species (parasite), Texas. 

 Diptera. Cyclorrhapha. 

 Phoridae. 



Aphiochxta nigriceps Loew (parasite), Texas. 



Aphiochseta fasdata Fallen (parasite), Texas. 



Aphiochxta pygmsea Zetterstedt (parasite), Texas. 

 Tachinidse. 



Myiophasia senea Wiedemann (determined by Coquillett) (parasite), Texas. 



Ennyomma globosa Townsend (parasite), Louisiana, Texas. 



HTPERPARASITES. ^ 



Dipteia. 



Plastophora (Pseudacteon) crawfordi Coquillett on Solenopsis geminata Fabricius. 



2. THE HOSTS OF BOLL-WEEVIL PARASITES. 



As has just been stated, the boll weevil has 55 species of insects, 

 which are known to attack it. Among the parasites are to be found 

 7 wliich are occasionally accidentally hyperparasitic. At least 1 par- 

 asite is known to attack one of the predators. The accidental preda- 

 tor {Alabama argillacea) is attacked by 12 parasites, 46 predators, 



1 This species may be a parasite of a Chrysopa larva or of some lepidopteron which had entered a weevil 

 cell. 



« The enemies of Alabama argillacea. Hiibner aflordsome interesting sidelights on the complexity of the 

 biological relations of cotton Insects. 



