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May 3, 2016 1:01 PM CST
|These and little flying things. Have sprayed them and removed infected plants. Any good way to knock them out once and for all? These look like bigger versions of the small ones flying around.|
May 3, 2016 1:37 PM CST
|It's a fly (Diptera), in the family Sciaridae. |
These like to lay their eggs in damp compost. If you've removed the plants that should stop you getting them inside.
If you want to help get rid of them from the plants you removed then changing the compost will help. Keeping the plants a little drier will likely stop them from wanting to lay eggs in your pots.
There will always be more Sciarids, prevention is the best way. Use a soil based compost as the peat based ones are more likely to attract them due to poor drainage.
May 3, 2016 2:09 PM CST
|Here's what I've collected, before removing plant. I assume same insect? Thanks!|
May 3, 2016 2:47 PM CST
|Those in the bottom pic are Sciarids. Those in the top pic look like they could be the same.|
May 3, 2016 2:56 PM CST
|The ones in bottom pic were flying everywhere, prob 500 dead now and they've vanished for most part. This is a picture of one. Sprayed plant and removed it. The top insects were in water of plant I was rooting. They seem a little bigger.|
May 3, 2016 3:28 PM CST
|The flies will expand if they have soaked up water so will look bigger.|
Sounds like you had a big problem with them!
May 3, 2016 8:07 PM CST
|Ah that makes sense! Yes terrible problem with them. But I think I found which plant had them, sprayed it down with organic aphid/fungus killer, put up UV light, yellow sticky strips on other plants inside, and took the infested one outside and repeatedly spray it (it's a philo vine so it's pretty durable).|
May 4, 2016 7:56 AM CST
|I'm thinking that these are commonly known as fungus gnats (Janet are all Sciaridae fungus gnats?), in which case I'm also thinking spraying the plant outside isn't necessarily going to help because fungus gnats live outside, they tend to come indoors with plants that were outside for the summer (or I once brought them home from a "big box" hardware store's garden centre in the soil of a plant). |
If you have them flying around you most likely also have the larvae in the potting medium as well that won't be affected by a foliar or aerial spray. As Janet said, being careful with the watering should help. Of course if you can get rid of the adult flies indoors eventually the larvae in the soil will be gone too, but it's the larvae that do the most direct damage to plants, although the adult flies are a nuisance and can carry some diseases to the plants.
May 4, 2016 8:23 AM CST
|Sciaridae come under the general common name of fungus gnats.|
There are others which come under the super family Sciaroidea, some lay their larvae in 'fungi' (mushrooms or toadstools). These are in the Families Bolitophilidae, Mycetophilidae and Ditomyiidae mainly.
May 4, 2016 11:11 AM CST
|Pathos is turning black after being outside! Brought back in, the temps dipped. Will this revive it?!|
May 4, 2016 11:59 AM CST
|The leaf looks like it's been bent and cracked. The other leaves look OK but if your climate is too cold for it then you need to keep it inside.|
Pothos I think you mean? Some care tips:
May 4, 2016 12:12 PM CST
|It's the strangest thing, they turned black and parts of stem are black too. Not sure if from cold or the anti aphid spray.|
May 4, 2016 12:21 PM CST
|What was in the spray? If it's cold (how cold did it get?) it may well recover from the base.|
May 4, 2016 12:35 PM CST
|Temp dropped to maybe 45-50F. Spray is this.|
May 4, 2016 12:48 PM CST
|I wouldn't have thought those temperatures would cause it to go black - have you used that spray on it before? Some plants are sensitive to neem oil but I have no idea if pothos comes in that category.|
May 4, 2016 12:57 PM CST
|I have never seen a plant turn black, will the leaves go back to green? Yeah spray said it should be safe on house plants. Was only outside a couple of days also.|
May 4, 2016 1:36 PM CST
|I'd be surprised if the black leaves go back to green, I would have thought them more likely to wither and die. If you haven't used neem oil on a particular plant before, it is best to test spray a leaf or two and see what happens within the next couple of days or so. Neem oil can burn leaves on some plants. Whether it would look like that I'm not sure, it looked more "crispy" when I saw the burn on other plants once. One way to find out would be to spray one of the remaining good leaves while it is indoors, and see what happens.|
May 4, 2016 1:55 PM CST
|I used a Neem spray on a small Crossandra plant. The leaves are about half black and crispy. I've since been warned to test first before spraying the whole plant. I was also told it's best to only spray the underside of the leaves because the oil on the top of the leaves can cause them to burn if they are in the sun.|
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May 4, 2016 3:16 PM CST
|The first one is a springtail, they like damp places but are harmless, in fact they are nature's cleaners.|
Springtails commonly consume fungal hyphae and spores, but also have been found to consume plant material and pollen, animal remains, colloidal materials, minerals and bacteria