Healing trees from the inside out
BioShot treats distressed trees infected by the
Polyphagous Shot Hole Borer (PSHB) beetle
Is my tree infected?
Signs and symptoms of an infected tree
A list of the most common host trees
Let us save your tree!
Request a quote or contact us for a tree analysis
Is my tree infected?
Signs and symptoms of an infected tree

Reproductive host tree
A list of the most common host trees
Let us save your tree!
Request a quote or contact us for a tree analysis
What we do
BioShot specialises in the treatment and rescue of distressed trees that have been infected by the Polyphagous Shot Hole Borer (PSHB) beetle. Trees are our agricultural assets and in most cases a fully grown tree is irreplaceable, not only in terms of monetary value but also in terms of the esthetic value that it adds to your property and our surroundings. BioShot can help you to not only combat the PSHB but also to save your priceless assets.
About PSHB
The impact of a tree disease – more specifically the impact that the Polyphagous Shot Hole Borer (PSHB) beetle has on trees in the whole of South Africa has been devastating over the past few years, with multitudes of trees dying on a daily basis.
The beetle was discovered in South Africa in 2017. They are 2mm long, is native to Southeast Asia, and has the ability to destroy your valued landscape. The beetle itself doesn’t kill the tree, but rather the fungus that accompanies the beetle. The fungus targets the tree’s vascular system inhibiting the flow of water and nutrients within the tree. Subsequently the tree dies since it can’t extract water and nutrients from the earth and in most cases whittles away from top to bottom.
Is your tree infected?
Symptoms and signs of infection (note that each species of tree exhibits different symptoms):
• Wilting trees
• Dead branches
• Exit/entry holes on the bark of the trees
• Shotgun-like lesions on the bark at entry/exit holes
• Sugar volcanoes on the bark at entry/exit holes
• Wet staining or gumming
• Wood frass (wooden powder) on the bark
• Sawdust around the base of the tree trunk
Reproductive host trees that are capable of supporting the beetles’ reproduction and growing of the fungus that eventually kills the tree:
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COMMON NAME African hemp Africana wild olive Avocado Beefwood Black wattle Blackwood Boxelder Cape star-apple Cape willow Castor bean Coast coral tree Coast silver oak Cottonwood English oak Forest bushwillow Fountain bush Honey locust Japanese maple Keurboom Leafless fountain bush Liquid amber (American sweetgum) Lombardy poplar London plane Pigeon wood Pin oak Pink flame tree Pride of de Kaap River bushwillow Rough-leaf African mallow Southern magnolia Sweet viburnum Trident Chinese maple Water blossom pea White ironwood White willow Wild laburnum Wisteria |
SCIENTIFIC NAME Sparrmannia africana Olea europea subsp. Pearsea americana Casuarina cunninghamiana Acacia mearnsii Acacia melanoxylon Acer negundo Diospyros glabra Salix mucronata Ricinus communis Erythrina caffra Brachylaena discolor Populus smithii Quercus robur Combretum krausii Psoralea pinata Gleditsia triacanthos Acer palmartum Virgilia oroboides subsp. ferruginea Psoralea aphylla Liquidambar styraciflua Populus nigra latanus x acerifolia Trema orientalis Quercus palustris Brachychiton discolor Bauhinia galpinii Combretum erythrophyllum Anisodontea scabrosa Magnolia grandiflora Viburnum odoratissimum Acer buergerianum Ricinus communis Vepris lanceolate Salix alba Calpurnia aurea Wisteria sp. |
Non breeding host trees that the beetle attacks but doesn’t use as a breeding habitat:
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COMMON NAME Aloe coral tree American ash American plane Apple Baddernut Baobab Bietou Black locust Black monkey-thorn Black plum Bougainvillea Butterfly orchid tree Cabbage tree/kiepersol Californian plane Camphor Cape ash Cape beech Cape chestnut Cape fig – Ficus sur Cape holly – Ilex mitis Cherry plum Chinese elm Common camellia Common coral tree Common fig Cross berry Cultivated olive English elm European ash False olive Flat crown Forest elder Forest sugar bush Frangipani Grape vine Guava Hard pear Henkel’s yellowwood Hibiscus Honey flower/kruidjie-roer-my-nie) Jacarand Kapok Karree Karroo sweet thorn Kei apple Keurboom Leaf oak Lemon Loquat Macadamia nut Monkey-thorn Mulberry Natal fig Orange Outeniqua yellowwood Paper bark thorn Peach Pecan nut Pepper tree Red currant Red stinkwood River red gum Septee tree – Silver birch Spike thorn Star apple Swamp cypress Sweet cherry Syringa Tree fuschia Waterberry Weeping boerbean/huilboerboon Weeping willow Wild pear Wild plum Wild tobacco Willow-leaved hakea |
SCIENTIFIC NAME Erythrina livingstoniana Fraxinus americana Platanus occidentalis Malus domestica Diospyros whyteana Adansonia digitata Osteospermum moniliferum Robinia pseudoacacia Senegalia (Acacia) burkei Prunus nigra Bougainvillea sp. Bauhinia purpurea Cussonia spicata Platanus racemosa Cinnamomum camphora Ekebergia capensis Rapanea melanophloeos Calodendrum capense Ficus sur Ilex mitis Prunus cerasifera Ulmus parvifolia Camellia japonica Erythrina lysistemon Ficus carica Grewia occidentalis Olea europaea subsp. europaea Ulmus minor = procera Fraxinus excelsior Buddleja saligna Albizia adianthifolia Nuxia floribunda Protea mundii Plumeria rubra Vitis vinifera Psidium guajava Olinia ventosa Podocarpus henkelii Hibiscus sp. Melianthus major Jacaranda mimosifolia Ceiba pentandra Searsia lansea Vachellia (Acacia) Dovyalis caffra Virgilia divaricata Quercus rugosa net Citrus limon Eriobotrya japonicum Macadamia sp. Senegalia (Acacia) galpinii Morus sp. Ficus natalensis Citrus sinensis Afrocarpus falcatus Vachellia (Acacia) sieberiana var. woodii Prunus persica Carya illinoinensis Schinus molle Searsia chirindensis Prunus africana Eucalyptus camaldulensis Cordia caffra Betula pendula Gymnosporia buxifolia Diospyros dichrophylla Taxodium distichum Prunus avium Melia azedarach Halleria lucida Syzygium cordatum Schotia brachypetala Salix babylonica Dombeya rotundifolia Harpephyllum caffrum Leonotis leonurus Hakea salicifolia |
Reproductive host trees that are capable of supporting the beetles’ reproduction and growing of the fungus that eventually kills the tree:
COMMON NAME
African hemp
Africana wild olive
Avocado
Beefwood
Black wattle
Blackwood
Boxelder
Cape star-apple
Cape willow
Castor bean
Coast coral tree
Coast silver oak
Cottonwood
English oak
Forest bushwillow
Fountain bush
Honey locust
Japanese maple
Keurboom
Leafless fountain bush
Liquid amber (American sweetgum)
Lombardy poplar
London plane
Pigeon wood
Pin oak
Pink flame tree
Pride of de Kaap
River bushwillow
Rough-leaf African mallow
Southern magnolia
Sweet viburnum
Trident Chinese maple
Water blossom pea
White ironwood
White willow
Wild laburnum
Wisteria
Non breeding host trees that the beetle attacks but doesn’t use as a breeding habitat:
COMMON NAME
Aloe coral tree
American ash
American plane
Apple
Baddernut
Baobab
Bietou
Black locust
Black monkey-thorn
Black plum
Bougainvillea
Butterfly orchid tree
Cabbage tree/kiepersol
Californian plane
Camphor
Cape ash
Cape beech
Cape chestnut
Cape fig – Ficus sur
Cape holly – Ilex mitis
Cherry plum
Chinese elm
Common camellia
Common coral tree
Common fig
Cross berry
Cultivated olive
English elm
European ash
False olive
Flat crown
Forest elder
Forest sugar bush
Frangipani
Grape vine
Guava
Hard pear
Henkel’s yellowwood
Hibiscus
Honey flower/kruidjie-roer-my-nie)
Jacarand
Kapok
Karree
Karroo sweet thorn
Kei apple
Keurboom
Leaf oak
Lemon
Loquat
Macadamia nut
Monkey-thorn
Mulberry
Natal fig
Orange
Outeniqua yellowwood
Paper bark thorn
Peach
Pecan nut
Pepper tree
Red currant
Red stinkwood
River red gum
Septee tree
Silver birch
Spike thorn
Star apple
Swamp cypress
Sweet cherry
Syringa
Tree fuschia
Waterberry
Weeping boerbean/huilboerboon
Weeping willow
Wild pear
Wild plum
Wild tobacco
Willow-leaved hakea
Treatment
- Our carefully developed BioShot treatment is administered to the infected tree
- The absorption rate of the tree, combined with the degree of infestation, will determine the treatment and recovery period
- We offer a trimming service in case the dead branches need to be removed to assist the tree in its recovery
- An in-depth treatment plan to be discussed upon booking our treatment service