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NIJHOF BGB

Since 1986 specialist in biological pest control of indoor plantings, exterior public green, ornamentals and food crops.
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It is with the deepest regret that we announce the following

Bas Nijhof has passed away, so very unexpectedly, on March the 18th 2021. With his passing, the company NijhofBGB has ended and the current activities involve concluding the company.

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Anagyrus fusciventris AFS

AFS parasitizes Longispinus mealybugs (Longtailed mealybug)

Aprostocetus hagenowii AHS

AHS females lay their eggs in the egg sacs of cockroaches. The hatched larva consume the nymphaea of the cockroaches which halts the infestation.

Aleurodothrips fasciapennis AST

The adult predator thrips are brown with yellow-black transvere stripes. They typically held their abdomen curved upwards. The larvae are light yellow....

Allotropa musea OMS

OMS is a parasitoid wasps that parasitizes the small stages (1st & 2nd) of a range of different mealybug species.

Amblyseius swirskii ASR

Eggs are transparant and oval. Eggs are layed mostly along the nerve of the leaf. Mobil stadia are drop-schaped with relative short legs. Their color is bright-pink-yellowish.

Anagyrus pseudococci APS

APS parasitizes multiple species of mealybugs, including citris mealybug and longtailed mealybug.

Aphelinus nr varipes AVS

AVS is a parasitoid wasp which parasitizes several species of aphid.

Arrhenophagus spec KSS

KSS is a parasitoid wasp used in the control of scale insects.

Chilocorus nigritus CNL

CNL is a ladybird which feeds on several species of scale insects.

Coccidencyrtus ochraceipes DSS

DSS is a parasitoid wasp which controls leaf miner infestation by parasitizing the larva of leaf miners.

Coccophagus rusti CRS

CRS females lay their eggs in the bodies of scale-insects.

Cryptolaemus montrouzieri CML

CML is a ladybug native to Austalia that is commonly used in biological control against a broad range of mealybugs species.

Cryptanusia aureiscutellum CAS

CAS is an effective predatory wasp used against the longtailed mealybug (Pseudococcus longispinus).

Encarsia citrina ECS

ECS is a tiny (0.5-1 mm) parasitoid wasp that parasitizes the small stages of a range of different hard-scale species.

Encarsia formosa EFS

For the control of whiteflies.

Encyrtus infelix EIS

"Encyrtus infelix is a brown-black parasite, and looks like an ant. Their size is 3-5 mm. They have two spines on the scutellum pointing strikingly upwards.

encyrtus lecaniorum ELS

Exochomus laeviusculus EXL

EXL can be used against aphids, psyllids and Icerya seychellarum

Exochomus quadripustulatus EQL

Franklinothrips megalops FMT

FMT is a predatory thrips which controls pest thrips and other arthropod infestations.

Franklinothrips vespiformis FVT

FVT is used for the control of pest thrips

Leptomastidae abnormis LAS

Leptomastidae abnormis is a relative small parasitoid of the first stages of the citrus mealybug (Planacoccus citri).

Leptomastix dactylopii LDS

LDS is a parasitoid wasp that parasitizes the last stages of the citrus mealybug (Planococcus citri)

Leptomastix spec. LTS

LTS is used for the biological control of Longtailed mealybugs.

Lindorus Rhyzobius lophanthae LLL

The adult is a relative small (2-3- mm.) hairy ladybird, with a black body and brown head and thorax. The larvae are grey with a light band on the back. At their sides they have long hairs. The pupa is yellow-white.

Metaphycus helvolus MHS

The adult is about 2mm. The female is light-brown, with black-white antenna. The male is black.

Microterys flavus MFS

Neoseiulus Amblyseius californicus ALR

Nephus includens NIL

NIL is a small ladybug that is used to control a broad range of mealybug species.

Nephus quadrimaculatus NQL

This small ladybird (1,5-2,0 mm.), has a black body with 2 pairs of red spots. The larvae are grey.

Phytoseiulus macropilus PMR

Phytoseiulus persimilis PPR

PPR is a predatory mite which is very effective in the control of spider mites.

Pseudaphycus maculipennis PMS

PMS are parasitoid wasps that are specialized in parasitizing the Affinus mealybug (Pseudococcus viburni).

Rodolia cardinalis RCL

Scutellista caerulea SCS

The mature Scutellista's are blue-black metallic shiny parasites with a humpback. At first sight they resemble more a beetle as a wasp. Size of adults varies greatly, from 1.0-3.0 mm. The males are in general smaller. The adults are not great fliers, but more jumpers and walkers.

Scymnus rubromaculatus SSL

The female is a small black ladybird with red-yellow legs. The male has a brown head and a partly brown pronotum. Their size is 1,8-2,3 mm. The larve are white waxy powdered. They look like small larve of Cryptolaemus or mealybugs.

Scymnus interruptus SIL

SIL is used against aphids

Thripobius semiluteus TSS

"Thripobius lays it egg inside all immature stages of the thrips, except the pupal stage. Developmetal-time from egg to adult takes appx. 3 weeks. Optimal relative humidity is: 50-60%.