#Aphids

2026-02-22

It's that time of the year! And now I've been transporting #AsianLadyBeetles from the upstairs (where kitty spends a lot of her time), to the downstairs where I grow plants because ALB's eat #Aphids! Now, of course, they could crowd out #Ladybugs if they get out of control, so I won't be saving every single one of them. But still...

Multicolored Asian lady beetles

Quick facts

- The multicolored Asian lady beetle has become a nuisance in Minnesota.
- They cluster around buildings in large numbers during fall in search of protected sites for the winter
- Control measures should only be used to prevent entry of Asian lady beetles indoors.
- Multicolored Asian lady beetle and other lady beetle species feed on aphids and other soft-bodied insects that can damage plants in agricultural crops, gardens and landscapes.
- These are beneficial insects to farmers and gardeners.

Asian lady beetle as a household pest

Multicolored Asian lady beetles can be a nuisance when they occur in large numbers inside homes.

- They do not infest wood, destroy fabrics, eat food or damage other property.
- These lady beetles cannot sting and do not carry disease.

Some concerns with multicolored Asian lady beetles are:

- Some can bite hard enough to break human skin, causing minor, short-lived discomfort. These bites happen when the beetles are searching for moisture or food.
- They can secrete a strong-smelling yellowish liquid from the joints of their legs. This liquid can stain light-colored surfaces.
- Exposure to dead lady beetles in buildings can cause allergic reactions in some people"

[Not mentioned: They can be toxic to cats and dogs if ingested!]

Learn more:
extension.umn.edu/nuisance-ins

#SolarPunkSunday #NaturalPestControl #LadyBeetles

2025-11-15

Characterising the immune repertoire of a global crop pest Myzus persicae mahansonresearch.weebly.com/blog/phd-stu... #Drosophila #Evolution #Immunity #Aphids 4/4

PhD studentship through China ...

2025-11-15

WE ARE RECRUITING PHD STUDENTS!!! We have three(!) funded PhD studentships advertising presently. If any of these are of interest, please reach out! Thread below with links to more information on each project. #Drosophila #Evolution #Immunity #SelfishGene #Aphids Thread with links below 🧵 1/4

2025-11-10

On my way to AAB Advances in Integrated Pest and Pathogen Management meeting - looking forward to a couple of days hearing about what's happening in applied IPPM research. aab.org.uk/event/advances-in-i

I'll be talking about aphids on soft fruit, and how to optimise different aspects of biocontrol to improve the approach overall.

#IPM #IntegratedPestManagement #Biocontrol #Parasitoids #Aphids #AppliedEntomology

2025-11-03

A colony of aphids tended by a Camponotus noveboracensis carpenter ant. South Bristol, New York.

#Camponotus #aphids #ants #Insects #ecology

Macro photo of the face of a black ant with a deep red thorax standing over a dense herd of greenish-yellow aphids.
2025-10-23

The American ragwort aphid is now up in the Christchurch Port Hills where it's feeding on native senecio plants. 😔

The species arrived in the city in autumn of 2019 and has been spreading since then. I found it last week on the top of Sugarloaf, which is the first record of the species in the hills beyond the city.

Things are going to get complicated when the aphid arrives at NZ's at-risk populations of threatened endemic senecios.

inaturalist.nz/observations/32

#BiologicalInvasions #aphids #insects #nz #iNaturalistNZ

A photo (taken through a hand-held magnifying glass) of some green flower buds, of a NZ native herb Senecio glomeratus, and a cluster of all-black aphids feeding on it. These are the American ragwort aphid, Senecio lugentis.

More details of this observation and a higher resolution photo are at https://inaturalist.nz/observations/322653324
2025-10-12

Watch out: the weather is warming and the American ragwort aphids are *multiplying*.

American ragwort aphids specialise on Senecio plants, of which NZ has many species, including some threatened endemic species.

The aphid arrived in NZ (somehow) in 2023, and has since got to work munching on our plants. The American aphids are also now being tended and protected by exotic Australian ants.

In the South Island these aphids are still restricted to Christchurch city (at least based on observations on #iNaturalist and #GBIF).

It would be great if you could keep a look out for them in other places. They're the only big black aphid in NZ (black bodies and legs).

Here are three of my observations of them from this month.

#aphids #PlantInsectInteractions #herbivory #BiologicalInvasions #NZ #Christchurch #iNaturalistNZ #insects #entomology

inaturalist.nz/taxa/453265-Aph

A photo of a green plant stem covered in a mass of black aphids, America regwort aphids, being tended by tan brown Australian ants, in New Zealand.

For details and higher resolution photos, see my iNat observation at https://inaturalist.nz/observations/320306081Another photo of a green plant stem with black aphids, America regwort aphids, being tended by tan brown Australian ants, in New Zealand. My hand is there for scale holding the plant.

For details and higher resolution photos, see my iNat observation at https://inaturalist.nz/observations/320313017A photo of a greyish hairy plant stem covered in black aphids, America regwort aphids. This plant is the NZ Pahohoraka, Senecio quadridentatus.

For details and higher resolution photos, see my iNat observation at https://inaturalist.nz/observations/320306091
earthlingappassionato
2025-09-19

Pest removal

A ladybird makes a meal of aphids in a garden in England, UK. Gardeners preparing for autumn are likely to encounter a surge of ladybirds, thanks to the warm spring and summer temperatures that significantly increased aphid populations – their primary food source.

Photograph: Alamy/PA




A ladybird makes a meal of aphids on a green stalk.
2025-09-11

Oleander aphids (Aphis nerii) on a swamp milkweed seedpod that has been chewed open, I think, by a monarch butterfly larva. Almost all aphid species adopt a headstand posture (facing ground) when feeding. Interesting. #aphids #milkweed #hemiptera #insects #entomology #asclepias

Elongate, green seedpod with wall eaten away, exposing brown flat seeds within. Exterior is covered with covered with bright yellow aphids, most of which are pointed down.
neville parknev@flipping.rocks
2025-08-31

Yesterday, among some big willows down by the lake, I saw an amazing phenomenon: the grass was absolutely swarming with yellowjackets (there was one every few inches), and, when I looked up, I saw the trees were too!

They didn't seem to be coming from any particular point. I wondered if it was their Sex Day or something, but though I looked closely I didn't see any mating or really any interaction with each other at all. And in the trees I also saw other insects—bald-faced hornets, mud daubers, potter wasps, even what looked like mini dragonflies. Watching the wasps on the ground, I noticed they seemed to be…licking?

Then I noticed the dark blue giant willow aphids. Not that many on the ground, and the wasps were ignoring them. But then I looked at low-hanging branches and saw clusters of aphids, and then I felt…tiny drops!

There were so many aphids in the willow trees that they were showering the branches, leaves, and ground with honeydew (sugary excretions), in turn attracting wasps feeding on it!

Anyway that was just a cool little thing to figure out.

#bugstodon #InverteFest #insects #aphids #Hemiptera #Aphididae

A cluster of giant willow aphids on a willow twig. They are heavily grooved crosswise, and dark blue with golden-brown or orange legs and cornicles (the pair of spikes on their butt).Another willow twig covered in aphids. You can see a clear droplet on one aphid on the underside of the branch, centre of the photo.
Sanne Hellberg Malmö SwedenSannjord@pixelfed.social
2025-07-13
I let this burdock stay even though it wasn’t supposed to grow here. What a magnet for insects! Flier, hoverflies, lady bugs and loads of aphids. Very entertaining to watch the hoverflies and I am very happy with the biodiversity this plant brings to the garden 🥰

#aphids #biodiversity #hoverflies #burdock #livinggarden #vildareträdgård #mångfald
alltagsfuchsalltagsfuchs
2025-07-02

Ein starker Befall im Garten ist ärgerlich, doch bewährte Hausmittel gegen Blattläuse bieten eine schonende und wirksame Alternative zur Chemie. Lösungen aus Schmierseife oder Brennnesselsud sind einfach herzustellen und schützen Pflanze und Nützlinge.

bit.ly/3I6VFtD

2025-06-12
Entomological Soc. of Americaentsocamerica@ecoevo.social
2025-06-04

New on Entomology Today: A team of researchers in China finds that the sweet-taste inhibitor lactisole reduces sugar feeding in aphids. However, in some cases, lactisole also reduces plant growth, meaning further research is needed to turn it into an effective tool for aphid pest management. #entomology #insects #aphids entomologytoday.org/2025/06/04

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