| multivariate morphometric discrimination of nymphal and adult forms of the blacklegged tick (acari: ixodidae), a principal vector of the agent of lyme disease in eastern north america. | a morphological study of postlarval stages of the blacklegged tick, ixodes scapularis say, was conducted to examine congruence between northern (formerly i. dammini spielman, clifford, piesman & corwin) and southern morphotypes. the character set totaled 17 for females, 25 for males, and 28 for nymphs. populations from 6 geographic areas, f1 progeny from reciprocal crosses between i. scapularis from massachusetts and georgia, and i. pacificus cooley & kohls from california were measured. charact ... | 1995 | 8551506 |