September 25, 2022

The criticized Inter-Company Mosquito Management Settlement solutions its detractors for a mission it has served for greater than 60 years.

It was once higher. There have been fewer mosquitoes earlier than. On the coast or within the metropolis. When you possibly can stroll alongside the seaside with out feeling overwhelmed and with out being the prey of a tiger mosquito at comfortable hour. This summer time the critics exploded. The primary goal, the EID Méditerranée, which has carried out a useful public service mission since 1959, from the Etang-de-Berre in Provence to Perpignan.

So, EID has develop into ineffective? That is what his detractors suppose, particularly Olivier Bardin, PhD, former CTO till 2017. And even Philippe Alberola, a former service supplier chargeable for distributing a mosquito management product by airplane for 17 years till 2017. His contract was not renewed. They outline themselves as “mosquito hunters” and consider that EID in the present day lacks “response. Two days cross between rain time and product motion time (BTI). Absolute response is required, which EID misplaced”. They consider that ISO requirements and administration practices intrude with optimum functioning: “We do not surprise what a Canadair pilot does within the winter. The vital factor is that it does its job when it is scorching in the summertime.“.

Respect the atmosphere

From the EID aspect, the arguments put ahead by these elders are brushed apart: “They’re lengthy gone, and so much has modified. EID has improved its globally acknowledged {qualifications}, however instances have modified.”, says normal supervisor Bruno Turre. Triple-certified, EID has upgraded its strategies however should additionally guarantee respect for the atmosphere. That is how the struggle “In opposition to grownup mosquitoes is illusory. We are able to now not use the neurotoxin that used to kill all bugs indiscriminately.”, remembers Christophe Lahno, director of analysis and growth. Since 2010, it’s essential to cross the BTI, a larvicide which subsequently works when mosquito eggs are launched into the water, both as a consequence of heavy rain, or from the ocean, or because of the rise of water in ponds. And act quick “even on Sunday, the place we all know how you can do August 15, on the bottom and in flight”.

The primary impediment is the wind

EID officers don’t deny that the summer time was significantly favorable for pests. 2022 is being in comparison with horrible years like 1999, 2003, 2005 or 2015… However they put ahead a number of causes, resembling winds exceeding 30 km/h: “Spreading the product just isn’t environment friendly and in any case the principles forbid us as a result of it jeopardizes the protection of the pilots who must drive the product very near the bottom.”, acknowledges Jean-Claude Mouret, COO. That is what occurred throughout an episode in early July. One other issue: “The cultivated space exceeds our capability. We’ve solely 4 planes and three helicopters.”the skilled continues.

Lastly, it’s essential to level out the effectiveness of the medicinal product, BTI, which should be swallowed by the larva and which is barely 80-90% efficient: “Out of 100,000 larvae, 10,000 will stay, together with 5,000 females that may sting”Bruno Tourre says. In the course of the episode on the finish of June, 2950 ha had been handled on the mouth of the Grand Rhone and south of the Gard division. By mid-August, within the east of the Hérault division, within the south of the Gard and within the Grand Rhone sector, there are greater than 3,500 hectares. And with out these therapies, offered by a whole bunch of brokers on the bottom and transmitted from the air, life on the coast could be inconceivable …

And the tiger mosquito?

Not sufficient, after all, to persuade detractors, particularly since additionally they consider that it will be essential to be extra aggressive in opposition to one other dangerous tiger mosquito that’s rampant in city areas. Which was particularly aggressive this summer time: “If they’ve the correct concept, allow them to give it, will probably be the Order of the Legion of Honor”objects Bruno Turre, who believes that solely “Private self-discipline avoiding water provides can stop their inevitable unfold. In Spain, there was an experiment on therapy in ten cities, it turned out to be utterly ineffective and intensely costly. ”.

Remedy is given provided that there’s concern of transmission of a illness, resembling dengue fever. However Aedes albopictus (that is its scientific identify), which has already colonized two-thirds of the nation in a number of years, ranging from the south, might be the insect that has tailored greatest to its atmosphere. So we should study to dwell with it… And hope that subsequent yr situations shall be higher for a calmer summer time.

The Camargue has by no means been killed by mosquitoes

Little is thought, however the EID by no means had a mandate to take away mosquitoes from the Camargue. First, as a result of the cultivated areas and mosquito colonies are too massive, and in addition as a result of it has all the time been believed that the motion of Aedes caspius can not attain city areas en masse. Thus, solely Porte Saint-Louis-du-Rhone and Salins-de-Giraud are dealt with in such a approach as to keep away from most inconvenience, even when, inevitably, the colonies, aided by sure favorable winds, handle to succeed in the coast.

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