means coupling said pump inlet to said reservoir for establishing fluid communication therebetween to thereby permit {HEAD ~ withdrawal} of {TAIL ~ exterminating liquid} from said reservoir by said pump; and 
means coupling said pump inlet to said reservoir for establishing fluid communication therebetween to thereby permit { HEAD ~ withdrawal } of { TAIL ~ exterminating liquid } from said reservoir by said pump ; and
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH