Body size evolution in an old insect order: No evidence for Cope's Rule in spite of fitness benefits of large size

JT Waller, EI Svensson - Evolution, 2017 - academic.oup.com
… in an old insect order: odonates (“dragonflies and damselflies”). Fossil evidence for “Cope's
Rule” in … We suggest that the lack of Cope's rule in odonates results from conflicting selection …

An explanation for Cope's rule

SM Stanley - Evolution, 1973 - JSTOR
… respiration, large flying insects employ ventilation to … of Cope's Rule, nearly every major
order arose at small size relative to the range of sizes later developed. The only exceptional order

The evolution of body size in extant groups of North American freshwater fishes: speciation, size distributions, and Cope's rule

JH Knouft, LM Page - The American Naturalist, 2003 - journals.uchicago.edu
Change in body size within an evolutionary lineage over time has been under investigation
since the synthesis of Cope’s rule, which suggested that there is a tendency for mammals to …

Out of the tropics: Macroevolutionary size trends in an old insect order are shaped by temperature and predators

EI Svensson, M Gómez‐Llano… - Journal of …, 2023 - Wiley Online Library
… ecological and evolutionary drivers of global latitudinal size gradients in an old insect order.
… Our study reveals that a simple version of Bergmann's Rule based on temperature alone is …

Where are we now? Bergmann's rule sensu lato in insects

M Shelomi - The American Naturalist, 2012 - journals.uchicago.edu
… who gather insect body size data not from specimens but from previousrules, I do believe
that morphometrics studies should still be performed, particularly in understudied insect orders

Ecological determinants of Cope's rule and its inverse

S Roy, Å Brännström, U Dieckmann - Communications Biology, 2024 - nature.com
… 22 , and insects 25 . These disparate conclusions have fueled a debate about the validity
of Cope’s rule 26 . As Cope’s rule does not hold in all taxa 27 , it has been suggested that …

Body size variation in insects: a macroecological perspective

SL Chown, KJ Gaston - Biological Reviews, 2010 - Wiley Online Library
… trends, including gigantism, Cope's rule and the rates at which … former instar, more generally
known as Dyar's constant or … (mm) of species in different insect orders and close relatives, …

Brachyptery and phyletic size increase in Carabidae (Coleoptera)

JK Liebherr - Annals of the Entomological Society of America, 1988 - academic.oup.com
… Stanley (1973) reviewed the causative basis for "Cope's rule," … He argues that Cope's rule
cannot be explained solely … This ecological explanation forms the basis for Cope's rule. The …

The significance of body size in the Orthoptera: a review

DW Whitman - Journal of Orthoptera research, 2008 - BioOne
… As such, these diverse insects range across 2.5 orders of … , because of the need to extract
longer appendages from the old cuticle… of large body size may counter Cope’s law, the trend for …

Gigantism, dwarfism, and Cope's rule:“nothing in evolution makes sense without a phylogeny”

GC Gould, BJ MacFADDEN - Bulletin of the American Museum of Natural …, 2004 - BioOne
Cope’s rule, respectively. We review their body-size evolution patterns based on their known
phylogenies and test previous hypotheses of giantism, both autapomorphic and phyletic. …