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139 results for “Social parasitism”

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zenodo32/100

Fig. 3 in Acromyrmex fowleri: a new inquiline social parasite species of leaf-cutting ants from South America, with a discussion of social parasite biogeography in the Neotropical region

Fig. 3 Scanning electron micrographs of an Acromyrmex fowleri male (a) and female (b–f) depicting a the male head in frontal view, b the female head in lateral view, c the female maxilla showing the

opennotspecifiedMay 2019View details →

zenodo32/100

Fig. 1 in Acromyrmex fowleri: a new inquiline social parasite species of leaf-cutting ants from South America, with a discussion of social parasite biogeography in the Neotropical region

Fig. 1 Gynes of the social parasite Acromyrmex fowleri (a, c, e) and its host Acromyrmex rugosus (b, d, f) in full-face (a, b), lateral (c, d), and dorsal (e, f) views. The scale bars represent 0.5 mm in a and b, and 1 mm in c–f

opennotspecifiedMay 2019View details →

zenodo32/100

Fig. 2 in Acromyrmex fowleri: a new inquiline social parasite species of leaf-cutting ants from South America, with a discussion of social parasite biogeography in the Neotropical region

Fig. 2 Males of the social parasite Acromyrmex fowleri (a, c, e) and its host Acromyrmex rugosus (b, d, f) in full-face (a, b), lateral (c, d), and dorsal (e, f) views. The scale bars represent 0.5 mm in a and b, and 1 mm in c–f

opennotspecifiedMay 2019View details →

zenodo32/100

Fig. 4 a in Controversial patterns of Wolbachia infestation in the social parasitic Maculinea butterflies (Lepidoptera: Lycaenidae)

Fig. 4 a UPGMA dendrogram based on allozymes using Cavalli-Sforza and Edwards' chord distances. b The results of PCA in M. alcon. Each symbol represents one sample in the reduced space by variances. The first two axes explain 66.6 % of the total variance. The 'cruciata and pneumonanthe types' of M. alcon clearly differ along the first axis

opennotspecifiedMay 2015View details →

dryad32/100

Data from: Plant defenses against ants provide a pathway to social parasitism in butterflies

Understanding the chemical cues and gene expressions that mediate herbivore–host-plant and parasite–host interactions can elucidate the ecological costs and benefits accruing to different partners in tight-knit community modules, and may reveal unexpected complexities. We investigated the exploitation of sequential hosts by the phytophagous–predaceous butterfly Maculinea arion, whose larvae initially feed on Origanum vulgare flowerheads before switching to parasitize Myrmica ant colonies for their main period of growth. Gravid female butterflies were attracted to Origanum plants that emitted high levels of the monoterpenoid volatile carvacrol, a condition that occurred when ants disturbed their roots: we also found that Origanum expressed four genes involved in monoterpene formation when ants were present, accompanied by a significant induction of jasmonates. When exposed to carvacrol, Myrmica workers upregulated five genes whose products bind and detoxify this biocide, and their colonies were more tolerant of it than other common ant genera, consistent with an observed ability to occupy the competitor-free spaces surrounding Origanum. A cost is potential colony destruction by Ma. arion, which in turn may benefit infested Origanum plants by relieving their roots of further damage. Our results suggest a new pathway, whereby social parasites can detect successive resources by employing plant volatiles to simultaneously select their initial plant food and a suitable sequential host.

opencc-zeroDec 2014View details →

dryad32/100