caa a22 4500 397547501 CHVBK 20180308164742.0 cr unu---uuuuu 161202e19960101xx s 000 0 eng 10.1093/aesa/89.1.12 doi (NATIONALLICENCE)oxford-10.1093/aesa/89.1.12 Morphology, Ontogeny, and Adaptation of Ambrysus mormon (Hemiptera: Naucoridae): Quantitative Comparisons among Populations in Different Thermal Environments [Elektronische Daten] [Robert W. Sites, Michael R. Willig, Richard S. Zack] Specimens of Ambrysus mormon Montandon were collected from each of 3 widely separated populations that differed in thermal environment. For each population, 15 characters were measured from each of 10 individuals-for each of the 5 instars, adult males, and adult females-to determine if interdemic differences exist in allometric development. All 3 populations can be distinguished at each instar based on multivariate analyses, and all instars and both sexes of adult are morphometrically distinct within each population. Nonetheless, the magnitude of difference among populations depended on instar. Most of the variation among individuals (>99.0%) was related to size and could be associated with differences among instars or between sexes of adult. In most cases (40 of 42 analyses), growth was allometric rather than isometric, and regardless of population, the direction of allometry was consistent for a particular character (body width and profemur length are exceptions). Although the magnitude of size variation from 1st to 5th instars and adults was similar in all populations, interpopulational differences in allometric development occurred as well. Specifically, the rate of increase in size of 6 characters (head width, pronotum length, profemur length, mesotibia length, metatibia length, and metatarsus length) with respect to the rate of increase in body length differed among populations developing at different temperatures. Thus, overall shape differences existed among populations, and these differences changed through ontogeny. Because allometric relations consistently accounted for a significant and large portion of interindividual variation, we suggest that autadaptation rather than exadaptation has played a predominant role in the morphological evolution of A. mormon. © 1996 Entomological Society of America Systematics nationallicence Naucoridae nationallicence Ambrysus nationallicence ontogeny nationallicence allometry nationallicence temperature nationallicence Sites Robert W. Wilbur R. Enns Entomology Museum, Department of Entomology, University of Missouri, Columbia, MO 65211. aut Willig Michael R. Ecology Program, Department of Biological Sciences and The Museum, Texas Tech University, Lubbock, TX 79409-3131. aut Zack Richard S. James Entomological Collection, Department of Entomology, Washington State University, Pullman, WA 99164-6382. aut Annals of the Entomological Society of America Oxford University Press 89/1(1996-01-01), 12-19 0013-8746 89:1<12 1996 89 aesa https://doi.org/10.1093/aesa/89.1.12 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1093/aesa/89.1.12 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Sites Robert W. Wilbur R. Enns Entomology Museum, Department of Entomology, University of Missouri, Columbia, MO 65211 aut NATIONALLICENCE 700 1- Willig Michael R. Ecology Program, Department of Biological Sciences and The Museum, Texas Tech University, Lubbock, TX 79409-3131 aut NATIONALLICENCE 700 1- Zack Richard S. James Entomological Collection, Department of Entomology, Washington State University, Pullman, WA 99164-6382 aut NATIONALLICENCE 773 0- Annals of the Entomological Society of America Oxford University Press 89/1(1996-01-01), 12-19 0013-8746 89:1<12 1996 89 aesa Metadata rights reserved CC BY-NC-4.0 http://creativecommons.org/licenses/by-nc/4.0 nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-oxford