Aspects of the Natural History of &lt;I&gt;Neochlamisus&lt;/I&gt; (Coleoptera: Chrysomelidae): Fecal Case-Associated Life History and Behavior, with a Method for Studying Insect Constructions

Brown, Christopher G.; Funk, Daniel J.

doi:10.1603/0013-8746(2005)098[0711:aotnho]2.0.co;2

Cited by 26 publications

(46 citation statements)

References 34 publications

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“…That fact notwithstanding, I have used it in prior publications when referring to the populations of N. bebbianae leaf beetles associated with their six different host plants [11,29,31,[35][36][37][38][39][40][41][42]. As my prior use of "host form" in papers and talks has not led to its broader adoption by the field, I hope that this paper will more effectively encourage such usage (!).…”

Section: "Host Form": a Missing Term In The Vocabulary Of Biological mentioning

confidence: 99%

Of “Host Forms” and Host Races: Terminological Issues in Ecological Speciation

Funk

2012

International Journal of Ecology

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Successful communication and accurate inferences in science depend on the common understanding and consistent usage of the terms we apply to concepts of interest. Likewise, new terminology is required when important concepts have gone unnamed. Here, I focus on terminological issues about biological variation and ecological speciation, especially in herbivorous insects but also more generally. I call for the more restricted use of concepts that have sometimes been misapplied, and thus caution against synonymizing ecological speciation with sympatric speciation and the unwarranted invocation of "host races" to describe herbivorous insect differentiation. I also call for the qualified application of terms for different kinds of biological variation and for host range when confronting uncertainty. Among other "missing terms" introduced here is "host form," a generic term describing any case of host-associated differences for which current evidence does not allow diagnosis of the specific kind of variation. Embracing the use of host form should free host race from its current overapplication. Finally, I present a case study in which Neochlamisus leaf beetle populations previously described as host forms are hereby declared to be host races, based on accumulated evidence supporting each of the associated criteria.

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Section: "Host Form": a Missing Term In The Vocabulary Of Biological mentioning

confidence: 99%

Of “Host Forms” and Host Races: Terminological Issues in Ecological Speciation

Funk

2012

International Journal of Ecology

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“…In a typical life cycle on Long Island, New York, adults emerge from diapause in late spring, followed by feeding, mating, and oviposition on the host through early summer, the beginning of emergence by new generation adults in late summer, and additional months of host-associated feeding and mating before entering diapause in autumn. As detailed elsewhere (Brown & Funk, 2005;Chaboo et al, 2008), immature life history is quite peculiar (Fig. 1), having long drawn the attention of naturalists (e.g.…”

Section: General Biologymentioning

confidence: 94%

“…Bernays, 1991;Andres & Connor, 2003), we wondered if these trichomes might contribute to the resistance of N. platani immatures to predation. Furthering this suspicion is the separate internal chamber, within the posterior of its case, which larval N. platani fill with trichomes (Brown & Funk 2005). This 'trichome attic' is absent in all other gibbosus group taxa (Chaboo et al, 2008).…”

Section: Investigating Ecological Specialisationmentioning

confidence: 99%

“…This 'trichome attic' is absent in all other gibbosus group taxa (Chaboo et al, 2008). Using manipulative experiments, individual N. platani larvae and pupae were exposed to generalist arthropod predators and evaluated according to Brown and Funk (2005). Bottom left and centre: trichome-covered underside of sycamore leaf, and trichome-covered case of N. platani larva, respectively.…”

Section: Investigating Ecological Specialisationmentioning

confidence: 99%

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Does strong selection promote host specialisation and ecological speciation in insect herbivores? Evidence from Neochlamisus leaf beetles

Funk

2010

Ecological Entomology

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Abstract. 1. Outstanding issues in evolutionary ecology include: (1) the prevalence of host-associated ecological specialisation among herbivorous insects, and (2) the speciation processes contributing to the tremendous species-level diversity of herbivores.2. Neochlamisus leaf beetle species are generally monophagous, but cumulatively employ a disparate array of host plants. These patterns occur in microcosm within the putatively oligophagous Neochlamisus bebbianae, which uses specific host species within each of six plant genera representing five families. I refer to all beetle populations associated with any one of these hosts as a particular 'host form'.3. This paper describes aspects of Neochlamisus biology and some experimental findings relevant to both host-use evolution and host specialisation in Neochlamisus, and to ecological divergence, reproductive isolation, and genetic differentiation among N. bebbianae host forms. It thereby reviews a research programme focused on ecological speciation.4. With respect to these host forms, our findings include: (1) ubiquitous host specialisation, (2) constraints on 'multitasking' that select for host specialisation, (3) ubiquitous ecological divergence, (4) pre-and post-mating reproductive barriers, (5) genetic and environmental contributions to ecological divergence and reproductive isolation, (6) positive statistical associations between ecological divergence and reproductive isolation, (7) strongly differentiated loci despite gene flow, reflecting divergent host-related selection, and (8) possible host race formation. We additionally describe a unique example of intimate host adaptation in another species, Neochlamisus platani.5. The intimate and discrete nature of herbivore-host associations may generate unusually strong (host-related) selection that could simultaneous explain pronounced rates of herbivore specialisation and speciation.

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“…Each egg is individually covered by the mother, with a mixture of her own feces and rectal secretions to form a scatoshell, before releasing it into the environment (LeSage 1982(LeSage , 1984Erber 1988;Brown and Funk 2005). Th e individual plates that make up the scatoshell (egg-case) are thought to be unique to each species (Erber 1988).…”

Section: Introductionmentioning

confidence: 99%

Synopsis of warty leaf beetle genera of the world (Coleoptera, Chrysomelidae, Cryptocephalinae, Chlamisini)

Chamorro¹,

Константинов²

2009

415

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Citation: Chamorro-Lacayo ML, Konstantinov AS (2009) Synopsis of warty leaf beetle genera of the World (Coleoptera, Chrysomelidae, Cryptocephalinae, Chlamisini). ZooKeys 8: 63-88. doi: 10.3897/zookeys.8.90Abstract Th e 11 world genera of Chlamisini Gressitt are reviewed, diagnosed, and illustrated. A key for their identifi cation is provided. A replacement name is proposed, Kakita Chamorro-Lacayo & Konstantinov, nom. n., for Ceratochlamys Bokermann, 1961, a junior homonym of Ceratochlamys Habe, 1946 (Mollusca). Chlamisus rousei Medvedev, 1993 is designated as a junior synonym of Chlamisus straminea Suff rian, 1866, syn. n.

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Aspects of the Natural History of <I>Neochlamisus</I> (Coleoptera: Chrysomelidae): Fecal Case-Associated Life History and Behavior, with a Method for Studying Insect Constructions

Cited by 26 publications

References 34 publications

Of “Host Forms” and Host Races: Terminological Issues in Ecological Speciation

Of “Host Forms” and Host Races: Terminological Issues in Ecological Speciation

Does strong selection promote host specialisation and ecological speciation in insect herbivores? Evidence from Neochlamisus leaf beetles

Synopsis of warty leaf beetle genera of the world (Coleoptera, Chrysomelidae, Cryptocephalinae, Chlamisini)

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