Has egg location influenced the radiation of Diplolepis (Hymenoptera: Cynipidae) gall wasps on wild roses?

Shorthouse, Joseph D.; Leggo, Jonathan J.; Sliva, Monica D. SlivaM.D.; Lalonde, R. G.

doi:10.1016/j.baae.2005.07.006

Cited by 15 publications

(23 citation statements)

References 18 publications

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“…Sympatric speciation by means of shifting hosts and organs is an important process in the evolution of phytophagous insects (Berlocher and Feder 2002), and the same process likely occurred for Diplolepis. Events leading to new species conceivably occurred by changes in oviposition sites (Shorthouse et al 2005). New sites for gall initiation, in addition to slight changes in the messages imparted on the cells, could have led to new gall structures and the radiation of speciation on the same host.…”

Section: Discussionmentioning

confidence: 99%

“…In contrast to all other species of Diplolepis, D. fusiformans deposits its eggs on the exposed surface of the stems (Shorthouse et al 2005). The galls form after the larvae enter the stem.…”

Section: Diplolepis Fusiformansmentioning

confidence: 99%

“…Most galls turn yellowish-brown as they mature, although some are bright red until they dry. Eggs are deposited in early May on the adaxial surface of immature leaflets (Shorthouse et al 2005). Periclistus-modified galls are larger than inducer-inhabited galls.…”

Section: Diplolepis Bicolor (Harris) (Figs 18 and 19)mentioning

confidence: 99%

“…The first new tissues on a wild rose to appear in the spring are vegetative buds. These buds occur near the distal ends of branches and are important oviposition sites for most species of Diplolepis (Shorthouse et al 2005). Rose leaves are compound and odd-pinnate and each is composed of three, five, seven, or nine leaflets (Fig.…”

Section: Roses Of Canada's Grasslandsmentioning

confidence: 99%

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Galls induced by cynipid wasps of the genus Diplolepis (Hymenoptera: Cynipidae) on the roses of Canada's grasslands

Shorthouse¹

2010

Arthropods of Canadian Grasslands (Volume 1): Ecology and Interactions in Grassland Habitats

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Abstract. Thirteen species of cynipid wasps of the genus Diplolepis induce structurally distinct galls on the three species of wild roses found on the grasslands of western Canada. Three species of Diplolepis gall the short rose, Rosa arkansana, in the Mixed Grassland and Moist Mixed Grassland ecoregions of southern Alberta and Saskatchewan, and eight species gall the common prairie rose, R. woodsii, throughout the prairie grasslands. Five species of Diplolepis gall the larger rose, R. acicularis, in more shaded regions such as the Aspen Parkland Ecoregion. This chapter outlines the life history strategy of Diplolepis and the manner by which these insects are well adapted to grassland conditions. Also described are the galls of each species, along with the component communities associated with them.Résumé. Treize espèces de cynipidés du genre Diplolepis engendrent la formation de galles structurellement distinctes sur trois espèces de rosiers indigènes des prairies de l'ouest du Canada. Trois de ces espèces de guêpes produisent des galles sur le rosier des prairies (Rosa arkansana) dans les écorégions des prairies mixes et des prairies mixtes humides du sud de l'Alberta et de la Saskatchewan, et huit autres s'attaquent au rosier de Woods (R. woodsii) dans l'ensemble de la région des prairies. Cinq espèces de Diplolepis engendrent des galles sur le rosier aciculaire (R. acicularis) dans les régions plus ombragées comme l'écorégion de la forêt-parc à trembles. Ce chapitre décrit les stratégies de survie des Diplolepis et la façon donc ces insectes se sont adaptés aux conditions caractéristiques des prairies. Il décrit également les galles produites par chacune de ces espèces, ainsi que les communautés qui leur sont associées.

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Section: Discussionmentioning

confidence: 99%

Section: Diplolepis Fusiformansmentioning

confidence: 99%

Section: Diplolepis Bicolor (Harris) (Figs 18 and 19)mentioning

confidence: 99%

Section: Roses Of Canada's Grasslandsmentioning

confidence: 99%

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Galls induced by cynipid wasps of the genus Diplolepis (Hymenoptera: Cynipidae) on the roses of Canada's grasslands

Shorthouse¹

2010

Arthropods of Canadian Grasslands (Volume 1): Ecology and Interactions in Grassland Habitats

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“…That the morphology and physiology of the plant influence the biology, ecology, and evolution of a plant-feeding insect is established: interactions between diverse species of flowering plants (e.g. Quercus, Rosa) and different species of gall-inducing Cynipidae (Hymenoptera) demonstrate that plant architecture influences the oviposition behavior of the Cynipidae (Abrahamson et al 1998;Shorthouse et al 2005). By inducing a gall, the insect ensures nutrition and shelter for either shorter or longer periods of its life.…”

Section: Introductionmentioning

confidence: 99%

Gall induction by hemipteroid insects

Raman

2012

Journal of Plant Interactions

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The Thysanoptera and sternorrhynchous Hemiptera induce galls through feeding action, a behavior similar to that in the Cecidomyiidae. Salivary glands of gall-founding female thrips include greater quantities of hydrolyzing enzymes and soluble proteins than those in either males or pupae, which possibly alter the host-tissue metabolism, enabling galls to develop. Piercing-and-sucking mouthparts of the Hemiptera are adapted for an exclusively liquid diet Á either the plant sap from vascular elements or the fluids from living nonvascular cells. Hemipteransalivary chemistry alters the hormonal balance in the host, triggering gall development. Soluble proteins in the saliva of nymphs are critical. Gall-inducing Hemiptera vigorously take oxygen from the 'gall' tissue, which triggers auxin activity. Gall-inducing behaviors in the Thysanoptera and Sternorrhyncha are similar in that gall induction occurs by the feeding action of a single female, and gall-founding females disperse over short distances seeking young host-plant organs. Besides providing a comparative overview of gall induction by hemipteroids, this paper highlights the subtle but noteworthy differences in behaviors among these insects, thus offering pointers to their evolution within the specialist guild of herbivory.

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