BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 223 



and adult female, U.S.A. (Snodgrass, 1930; Roth and Willis, un- 

 published data, 1953). 



Periplaneta americana, U.S.A. (Roth and Willis, unpublished data, 



1953)- 



Supella supellectilium, U.S.A. (Roth and Willis, unpublished data, 

 1953) : See plate 31. 



Our specimen caught a small American cockroach nymph that we 

 placed in its jar. Before it had finished its meal, it caught and held 

 two other nymphs with its legs while it continued to feed on the first. 

 The body of this centipede reaches a maximum length of 27 mm. and 

 it is usually found in basements, dark corners, or in spaces in the 

 walls (Auerbach, 1951). Introduced from Europe, this species is 

 now widespread in the United States (Crabill, 1952). 



AUothereua maculata (Newport) 



Synonymy. — Scutigera maculata [Crabill, personal communication, 



1957]- 



Natural prey. — Cockroaches, Malay peninsula, Batu caves (Ridley 

 m Annandale et al., 191 3) : This is a presumptive host record. 



Order SCOLOPENDROMORPHA 



Family SCOLOPENDRIDAE 



Scolopendra cingulata Latreille 



Experimental prey. — Cockroaches, England (Cloudsley-Thompson, 

 1955) '• After capture in France, this specimen was kept for four 

 weeks without food. She was then fed medium-sized nymphal cock- 

 roaches of which she ate an average of about one per week throughout 

 the summer. Adult cockroaches were attacked only after they had 

 been disabled. 



Scolopendra morsitans Linnaeus 



Natural prey. — Cockroaches, Guadeloupe (Lherminier, 1837). 



Experimental prey. — Cockroaches, India, Nagpur (Jangi, 1955) : 

 As soon as the centipede became aware of its prey, it rapidly em- 

 braced the cockroach within its legs and with its fangs gripped the 

 insect's thorax. The predator continued to hold the prey with its 

 fangs while its mouth parts prodded the victim's body. After feeding 

 on an adult cockroach, the centipede is not inclined to kill another for 

 2-3 days. 



