Below-ground host location by Campsomeriella annulata (Hymenoptera: Scoliidae), a parasitoid of scarabaeid grubs

Inoue, M.S.R.; Endo, Tomoji

doi:10.1007/s10164-006-0028-6

Cited by 15 publications

(11 citation statements)

References 21 publications

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“…Each wasp showed species-specific, directed movement along residual body odor trails. Similar observations were made by Inoue and Endo (2008) for scoliid wasps, Campsomeriella annulata Fabricius, that were attracted to sand with host odor, sand with host feces, and sand used for rearing the host, the larvae of soyabean beetle, Anomala rufocuprea Motschulsky. Attraction toward specific odors becomes more important in these cases where hosts are concealed and visual orientation is not effective.…”

Section: Larval Parasitoidssupporting

confidence: 75%

Differential attraction of parasitoids in relation to specificity of kairomones from herbivores and their by‐products

Afsheen

Wang

et al. 2008

Insect Science

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Infochemicals are used by foraging parasitoids in the host selection process from habitat preference until host recognition. Kairomones from the herbivore host plays a vital role in the attraction of parasitoids, particularly in the micro‐habitat. Parasitoids are specifically attracted to their respective herbivore species even when different herbivores are present on the same plant. Chemicals emitted from different stages of host (eggs, larvae, pupae, adult), host by‐products (e.g., frass, exuviae, mandibular gland secretions, defense secretions etc.), or intra‐specific infochemicals (pheromones) can be main signals for the parasitoids. Parasitoids can differentiate between host and non‐host, between different hosts and host stages by perceiving specific volatile and contact kairomones from the host itself, host along with its by‐product, by‐products alone or intra‐specific infochemicals; of which frass (by‐product) and intra‐specific infochemicals are the most reported ones. Adult and larval parasitoids have been reported to be attracted to kairomones of their target stage or byproduct of their host. Pupal parasitoids have been found to utilize kairomones from the preceding host stage while egg parasitoids are known to exploit a variety of host infochemicals, for example, either from eggs themselves or other non‐target host stages, especially adults and adult‐related by‐products. The kairomonal chemicals identified so far include various groups, but mainly hydrocarbons. A high degree of host specificity and host acceptance is important for the parasitoids as any mistake may result in the loss of fitness.

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Section: Larval Parasitoidssupporting

confidence: 75%

Differential attraction of parasitoids in relation to specificity of kairomones from herbivores and their by‐products

Afsheen

Wang

et al. 2008

Insect Science

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“…Host cues can have many different origins such as oviposition markers (Kumazaki et al 2000;Onodera et al 2002), chemical residues left by adult hosts on the substrate (Colazza et al 1999(Colazza et al , 2007Peri et al 2006), chemicals originally from host feces (Meiners et al 1997;Steidle et al 2003;Steiner et al 2007;Inoue and Endo 2008), or possibly even carbon dioxide (Hilker and McNeil 2008). Some of these compounds arise from the adult's activity, and often are used by immature parasitoids (eggs or larva stage) to locate their hosts.…”

Section: Discussionmentioning

confidence: 98%

Modifications of the Chemical Profile of Hosts after Parasitism Allow Parasitoid Females to Assess the Time Elapsed Since the First Attack

et al. 2010

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In solitary parasitoids, only one adult can emerge from a given host. In some of these species, when several eggs are laid on the same host, supernumerary individuals are eliminated by lethal larval fights. In the solitary parasitoid Anisopteromalus calandrae, the probability of a second larva winning the fight depends on the time elapsed since the first oviposition. The older the first egg is at the moment a second egg is laid, the less chance the second egg has of winning the competition. As a consequence, females of this species lay their eggs preferentially on recently parasitized hosts rather than on hosts parasitized by an egg about to hatch. Anisopteromalus calandrae females parasitize bruchid larvae located in cowpea seeds. In a series of choice test experiments using an artificial seed system, we demonstrated that the cue that allows parasitoid females to differentiate between hosts parasitized for different lengths of time comes from the host and not from the artificial seed or the previously laid egg. This cue is perceived at short range, indicating that the chemicals involved are probably partly volatile. Interestingly, although parasitism stops host development, cuticular profiles continue to evolve, but in a different way from those of unparasitized hosts. This difference in the host's cuticular profile after parasitism, therefore, probably underlies the parasitoid female's discrimination.

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“…Among them are Scoliidae, wasps with cosmopolitan distribution, however, little is known about the biology of Scoliidae representatives, whose larvae are ectoparasitoids of underground Coleoptera larvae (Melo et al 2012). Females are highly adapted to dig in the soil to reach hosts, which, when located (Inoue & Endo 2008), are paralyzed and receive a single egg. Some observations indicate that the female wasp can move the host deeper into the soil and prepare a chamber before oviposition, which serves as a breeding cell (Nowell 1915).…”

Section: Introductionmentioning

confidence: 99%

EFFECT OF THE PANTANAL’S FLOODING HISTORY IN MORPHOMETRIC ASPECTS OF THE SOLITARY PARASITOID Campsomeris dorsata (HYMENOPTERA: SCOLIIDAE)

Aranda

2019

Oecol. Aust.

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The shape of an organism and the variation between related groups lie at the core of understanding evolution and interactions between phenotypes, genotypes, and environmental spaces. Due to the relief conditions and hydrological profile of the region, the areas inside the Pantanal have different flood histories in respect to the flood duration and the amount of water retained in the plain. The objective of this work was to evaluate the effect of the environmental flooding gradient on the geometric morphometry variation of Campsomeris dorsata (Hymenoptera: Scoliidae) wings in Pantanal, to understand if the variations in spatial distribution related to the flooding history interferes in the morphology of the wings by identifying where, how, and to what magnitude such changes occur. The wings were mounted between blade and coverslip, labeled, and prepared for morphometric measurements. The points of intersection of wing veins (landmarks) were determined using a stereoscopic microscope coupled with a camera. The linear measurements of the landmarks were transformed using Procrustes to remove the size effect, leaving only the shape of the wings. The transformed data was evaluated using PCA and MANOVA to identify if there were differences in relation to the geographical location of occurrence. Thirty-three male C. dorsata wings were measured, and there was a clear separation between 3 distinct wing form groups along the Pantanal distribution. The variation in wing shape could be associated with selection from local environmental conditions in areas with distinct flooding histories, influencing migratory aspects among populations within the Brazilian Pantanal. The data for this small species, that has low dispersal capacity, is solitary, and presents an intimate relationship with soil characteristics, which directly reflects flooding aspects in the Pantanal, only reinforces the need to conserve more areas in the Brazilian Pantanal, since genetic diversity is an important factor for conservation.

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Below-ground host location by Campsomeriella annulata (Hymenoptera: Scoliidae), a parasitoid of scarabaeid grubs

Cited by 15 publications

References 21 publications

Differential attraction of parasitoids in relation to specificity of kairomones from herbivores and their by‐products

Differential attraction of parasitoids in relation to specificity of kairomones from herbivores and their by‐products

Modifications of the Chemical Profile of Hosts after Parasitism Allow Parasitoid Females to Assess the Time Elapsed Since the First Attack

EFFECT OF THE PANTANAL’S FLOODING HISTORY IN MORPHOMETRIC ASPECTS OF THE SOLITARY PARASITOID Campsomeris dorsata (HYMENOPTERA: SCOLIIDAE)

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