Treatise on the Isoptera of the World

Krishna, K. Mahesh; Grimaldi, David A.; Krishna, Valerie; Engel, Michael S.

doi:10.1206/377.7

Cited by 99 publications

(219 citation statements)

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“…Phylogeny of termite species analysed in this study, classified according to lifestyle (sedentary or forager) and diet (wood-or soil feeder). Species names were revised according to Krishna et al (2013) and updated, as necessary; morphospecies names were kept as in the original publications. Branch lengths are arbitrary.…”

Section: Resultsmentioning

confidence: 99%

“…We gathered data from previous compilations, which were complemented with individual studies (File S1; Tables S1 and S2). The final dataset covered most families and subfamilies currently recognised (Krishna et al, 2013). Measurements of individual-level metabolic rate and the respective body mass were extracted from published tables for 50 species, and predicted from body mass for another 13 species using a published regression equation with high predictive power (r 2 = 89%) (Wheeler et al, 1996).…”

Section: Data Assemblymentioning

confidence: 99%

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Ecology shapes metabolic and life history scalings in termites

Pequeno

Baccaro

Souza

et al. 2016

Ecological Entomology

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1. Metabolic rate (B) is a fundamental property of organisms, and scales with body mass (M) as B = αMβ. There has been much debate on whether scaling parameters should be viewed as constants or variables. However, there is increasing evidence that ecological differentiation can affect both α and β. 2. In colonial organisms such as social insects, individual metabolism is integrated at the colony level. Theory and data suggest that whole‐colony metabolism partly reflects individual‐level metabolic and life‐history scalings, but whether these have been affected by ecological diversification is little known. 3. Here, this issue was addressed using termites. Data from the literature were assembled to assess the interspecific scalings of individual metabolic rate with individual mass, and of individual mass with colony mass. Concurrently, it was tested whether such scalings were affected by two key ecological traits: lifestyle and diet. 4. Individual‐level metabolic scaling was affected by diet, with β = 1.02 in wood feeders and 0.60 in soil feeders. However, there was no difference in α. Further, individual mass scaled to the 0.25 power with colony mass, but forager species had larger colonies and smaller individuals relative to wood‐dwelling, sedentary ones, thus producing a grade shift. 5. Our results show that ecological diversification has affected fundamental metabolic and life‐history scalings in termites. Thus, theory on the energetics and evolution of colonial life should account for this variability.

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Section: Resultsmentioning

confidence: 99%

Section: Data Assemblymentioning

confidence: 99%

Ecology shapes metabolic and life history scalings in termites

Pequeno

Baccaro

Souza

et al. 2016

Ecological Entomology

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“…However, they are considered one of the worst pests for both the environment and urban areas. Currently, there are more than 3,106 species of termites described, and about 363 are considered pests (Krishna, Grimaldi, Krishna, & Engel, 2013).…”

Section: Introductionmentioning

confidence: 99%

Effects of nanostructured essential oils against subterranean termites (Coptotermes gestroi)

Clerici

Souza

Quatrin

et al. 2018

J Applied Entomology

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Currently, the control of termites is mainly carried out with the use of chemical pesticides, which although effective, pose risks to the environment and to human beings. An alternative to using such chemical pesticides is natural products such as essential oils in insecticidal action. Despite the fact of being effective, essential oils are unstable, poorly soluble in water, and degrade from the action of light, oxygen even at moderate temperatures. Thus, the nanostructuring of essential oils could circumvent such problems and ensure its effectiveness. The following study aimed to assess for the first time the effects of nanostructured systems of essential oils of Cymbopogon flexuosus, Eucalyptus globulus and Melaleuca alternifolia in subterranean termites (Coptotermes gestroi). The results showed that the solid lipid nanoparticles of M. alternifolia have both repellent and insecticide action. The following study showed that nanostructuring of essential oils with insecticidal action is a promising tool in the fight against termites.

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“…The papers of Noirot (1995Noirot ( , 2001) systematized the knowledge of termite gut anatomy, establishing a nomenclature and comparing a wide range of species from all families and subfamilies of Isoptera, and also the wood roach Cryptocercus, the sister-group of termites (Krishna et al 2013). Noirot (1995) described the first proctodeal segment in lower termites.…”

Section: Introductionmentioning

confidence: 99%

“…Even in the most comprehensive termite treatises that include information about the gut anatomy (Grassé 1982;Krishna et al 2013;Noirot 1995Noirot , 2001, the existence of these ornaments is only mentioned, and there is no specific description, categorization or hypothesis respecting their function. As mentioned above, Noirot (1995Noirot ( , 2001) described a generalized pattern for the families of lower termites, but except for few notes about Macrotermitinae, almost nothing is mentioned for Termitidae, which comprise two-thirds of Isoptera species.…”

Section: Introductionmentioning

confidence: 99%

Internal ornamentation of the first proctodeal segment of the digestive tube of Syntermitinae (Isoptera, Termitidae)

Rocha¹,

Constantini²

2015

DEZ

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The ornaments inside the first proctodeal segment of the digestive tube in thirty-three species of the termite subfamily Syntermitinae are described and illustrated, encompassing all genera of the subfamily. The occurrence, type and pattern of the ornamentation reveal a wide morphological diversity. A first proposal for classification and nomenclature of these structures and coverage patterns is included, as well as a discussion of possible functions.

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Treatise on the Isoptera of the World

Cited by 99 publications

References 0 publications

Ecology shapes metabolic and life history scalings in termites

Ecology shapes metabolic and life history scalings in termites

Effects of nanostructured essential oils against subterranean termites (Coptotermes gestroi)

Internal ornamentation of the first proctodeal segment of the digestive tube of Syntermitinae (Isoptera, Termitidae)

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