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Phylogeny of ladybirds (Coleoptera: Coccinellidae): are the subfamilies monophyletic?
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Attack strategy of ladybird beetles (Coccinellidae): factors shaping their numerical response
TLDR
It is proposed that gravid females appear mainly to use the presence of conspecific larvae to assess the potential of an aphid colony for supporting the development of their offspring.
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Interactions between ants and aphidophagous and coccidophagous ladybirds
TLDR
The chemical and physical defences that coccinellids use against ant aggression are described and whether these have evolved as general anti-predator deterrents or specifically in response to ants are considered.
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Chemical nature and persistence of the oviposition deterring pheromone in the tracks of the larvae of the two spot ladybird, Adalia bipunctata (Coleoptera: Coccinellidae)
TLDR
It is revealed that the oviposition deterring pheromone consists of a mixture of alkanes of which n-pentacosane is the major component (15.1%).
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Effects of augmentative releases of eggs and larvae of the ladybird beetle, Adalia bipunctata, on the abundance of the rosy apple aphid, Dysaphis plantaginea, in organic apple orchards
TLDR
An augmentative release of larvae significantly prevented the build‐up of colonies of D. plantaginea and significant reductions in aphid numbers were recorded at the two highest predator‐prey ratios, 1:1 and 5:1.
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Nutritive cost of intraguild predation on eggs of Coccinella septempunctata and Adalia bipunctata (Coleoptera: Coccinellidae).
TLDR
Coccinella septempunctata was approximately 20% more reluctant to eat the eggs of Adalia bipunctata than the reverse, and fourth instar larvae of C. septEMPunctata failed to complete their development on a diet of A. bipunctATA eggs, an indication that the costs of intraguild predation might outweigh the benefits.
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Role of surface chemical signals in egg cannibalism and intraguild predation in ladybirds (Coleoptera: Coccinellidae)
TLDR
The results presented in this paper indicate that chemicals on the surface of the eggs of two species of ladybirds signal the relative risk of cannibalism and intraguild predation.
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Colonization of apple orchards by predators of Dysaphis plantaginea: sequential arrival, response to prey abundance and consequences for biological control
TLDR
The results of this study indicate that natural populations of syrphids and ladybird beetles are unable to control D. plantaginea, and therefore a more complex strategy than waiting for natural enemies is required.
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Social feeding in ladybird beetles: adaptive significance and mechanism
TLDR
It is suggested that this social feeding of young larvae of Adalia bipunctata is facilitated by egg clustering, which also may additionally account for why aphidophagous ladybirds lay their eggs in clusters.
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The contribution of potential beneficial insectary plant species to adult hoverfly (Diptera: Syrphidae) fitness
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