the species occurs in open, timbered areas with little ground cover. according to entomologist fred a. lawson, it is "often seen on tree trunks and lower branches of oaks and elms after dark." nymphs and adults are also found outdoors beneath loose bark in woodpiles, stumps, and hollow trees. brought indoors on infested firewood, they wander about the house without congregating in any particular room. they can be especially troublesome during the mating season, which is during may and june. male wood cockroaches frequently travel in large numbers and fly considerable distances. they are attracted to lights at night and may gain entry indoors. large numbers may also be found in rain gutters of homes.