IN THIS GUIDE

According to the RHS , the blue mint beetle was first found breeding in the UK in 2011 – but is this what is run through your sight , and if so , what should you do?1Blue mint mallet . ( n.d . ) . Royal Horticultural Society . Retrieved March 9 , 2023 , fromhttps://www.rhs.org.uk/biodiversity/blue-mint-beetle

These blue mallet are far-flung in mainland Europe and have been spotted in several locating in South and East England and in part of Southern Scotland.2Mint Leaf Beetle . ( n.d . ) . Nature Spot . retrieve March 9 , 2023 , fromhttps://www.naturespot.org.uk/species/mint-leaf-beetle

blue mint bettle resting on the leaf of a mint plant growing outside

They might overspread elsewhere in the British Isles as our clime continues to alter .

“ The Blue Mint Beetle is widely broadcast in mainland Europe and , as with other plants and animals , its range is spreading northwards as the global climate oestrus , including into the UK , ” says RHS Master of Horticulture Colin Skelly.3Salisbury , A. , Halstead , A. J. , & Malumphy , C. ( 2012 , January 1).First record of blue mint beetle Chrysolina coerulans ( Scriba , 1791 ) ( Chrysomelidae ) breeding in Britain . ResearchGate.https://www.researchgate.net/publication/280921405_First_record_of_blue_mint_beetle_Chrysolina_coerulans_Scriba_1791_Chrysomelidae_breeding_in_Britain

Spotting a glimmering dark blue beetlein your mintis honestly more probable to be interesting than alarming .

bluye mint beetle with metallic colouring sat on a leaf outside

Though a pest , its terror to your plant life is only minor .

What Is The Blue Mint Beetle?

The downcast mess beetle is scientifically known asChrysolina coerulans .

It is a species often constitute in damp meadows and riverside habitats .

Chrysolina coerulansare related to the British nativeChrysolina herbacea , the green mint beetle .

two blue mint beetles on a mint plant leaf

As larvae and as grownup , they feed on the foliation ofMenthaspecies .

The green mint mallet is seldom an effect for gardeners as it more commonly feeds on wild slew species .

Identification

While the blasphemous and green mint beetle are bear on , the two can not usually be confused as adults .

As the common names suggest , the blue mint beetle has a dark blue hue , while the native green mint beetle is emerald green .

full-grown risque mint beetle are 7 mm long.4Blue quite a little beetle . ( n.d.-b ) . Project Noah . Retrieved March 9 , 2023 , fromhttps://www.projectnoah.org/spottings/673486003

a small snail on the leaves on a mint plant

gamy lot mallet larvae grow to around 1 centimeter in length and they have black , soft , rotund bodies .

At this leg in their lifecycle , they are very similar to the larva of the native green mint beetle .

What Else Might Be Eating Mint Leaves?

Mint is also eaten by several other pest species .

As well as provide food for greenish and blue mint beetles , mint leaves are also eaten by the caterpillar of several moth species in thePyraustagenus .

You may see their silk threads loosely twined around the shoot tips and upper leaves .

close-up of a blue mint beetle with a mettalic shell crawling on a leaf with ridged edges

clout and snailsalso can be notice on good deal leaves , though this is not normally a problem .

Is Blue Mint Beetle A Problem In The Garden?

Blue mint beetle is not really a job in the garden .

While these and the immature mint beetles will run through batch , mint is such a prolific and vigorous industrial plant that their alimentation will not usually dumbfound any menace to the plant .

This species will probably not be able to fully eradicate a quite a little crop , so their presence can usually be endure .

a mint plant with lots of tall stems ready for harvest growing outside

Both the larvae and the adult will feed on mints and tansy in the spring and summertime months , creating small atypical holes in the leave , but these will not be a major job in most illustration and there should still beplenty of mint for you to harvestif you have a pretty well - established clump .

Mint is usually one of the more hassle - complimentary plants in a garden .

In fact , in sure preferences , it can become too successful , crowding out and out - contend other herbs or other plant grown close by .

close-up of two mint beetles on the leaves of a wild mint plant growing outdoors

Where mintis used as a land cover plant life – in a forest garden for example – its tendency to spread quickly and well can be an advantage .

In such setting , you will likely be unconcerned about a beetle taking some nibbles here and there .

Where mint is uprise in a garden bottom or consecrate herbaceous plant garden , it is often kept in check by locate it within a dope sunken in the ground .

Of course , you might also simply get some mint in its own pot in a container garden .

In such setting , you may bid to take away pests like blue great deal beetle which patch up on your smaller plants .

Removing Blue Mint Beetle

It is commonly absolutely possible to find and remove both the larvae and the adult by hand .

If you would rather not belt down these beetle , then you might rather consider tolerating their presence and perhaps planting more hatful to act as trap crop so you do not lose too much of your crop .

think , blue beetles , like other beetles , are food for garden wildlife and though they are relative newcomers to our shores , their presence is not believe to be much of a trouble .

References