322 
Psyche 
[December 
MATING BEHAVIOR of PARCOBLATTA FULVESCENS 
ALTERNATIVE PATHWAY 
9 MOTIONLESS 
Olfactory Reception 
of c? Pheromone 
9 ORIENTED 
LOCOMOTION 
O IN CLOSE PROXIMITY 
of cf (no contact) 
DOMINANT PATHWAY 
cf MOTIONLESS 
Olfactory Reception 
of 9 Pheromone 
cf ALERT POSTURE and 
ANTENNAL WAVING 
cf ORIENTED 
LOCOMOTION 
cf 
Olfactory Reception 
of 9 Pheromone 
? TOUCHES a" with 
ANTENNAE ' 
CLOSE PROXIMITY 
of 9 ( no contact) 
1 
cT TOUCHES 9 
with ANTENNAE 
Tactile Stim. 
Contact 
Chemoreception 
Tactile stim. cf FULL WING RAISING 
*• 1 DISPLAY with 
Contact 
Chemoreception 
TURNING 
Cf COPULATORY THRUSTS 
Figure 1 . A summary of the mating behavior of Parcoblatta fulvescens 
indicating the possible releasers for each step in the sequence. For explana- 
tion of alternative pathways, see text. 
