NDLI: Are Horn Morphological Patterns Able to Differentiate the Two Closely Related Species Copris klugi Harold and Copris sierrensis Matthews?

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Are Horn Morphological Patterns Able to Differentiate the Two Closely Related Species Copris klugi Harold and Copris sierrensis Matthews?

Content Provider	Springer Nature Link
Copyright Year	2015
Abstract	Several thousand species of beetles evolved impressive, exaggerated horns or horn-like structures. The horn phenotypic patterns and the developmental mechanisms are well documented especially in the Scarabaeidae, the family most predominated by species with horns. The regulation of horn expression appears to be extremely evolutionary labile to the extent that horn allometric patterns have been seen to rapidly diverge between closely related species. For this reason, it has been suggested that horn morphological pattern may be able to differentiate closely related and sibling species even when other traits fail. In this study, we used horn morphological pattern (shape and allometric variation) as a “tool” to evaluate the differentiation of two closely related scarab species, Copris klugi Harold and Copris sierrensis Matthews whose full species status has long been debated due to their high similarity. Combining traditional and geometric morphometric methods, we evidenced that male head horn phenotypic pattern is able to clearly differentiate C. klugi from C. sierrensis, supporting the hypothesis that they are two true species.
Starting Page	153
Ending Page	159
Page Count	7
File Format	PDF
ISSN	1519566X
Journal	Neotropical Entomology
Volume Number	44
Issue Number	2
e-ISSN	16788052
Language	English
Publisher	Springer US
Publisher Date	2015-03-06
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cephalic horn Life Sciences pronotal horn Entomology Agriculture static allometry geometric morphometrics
Content Type	Text
Resource Type	Article
Subject	Insect Science

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Are Horn Morphological Patterns Able to Differentiate the Two Closely Related Species Copris klugi Harold and Copris sierrensis Matthews?

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Are Horn Morphological Patterns Able to Differentiate the Two Closely Related Species Copris klugi Harold and Copris sierrensis Matthews?