Why do a large number of moths gather under the street lamps when it rains at night?

The phenomenon of large numbers of moths gathering under street lamps after rain at night is due to the tropism of moths to light and the attraction of rainwater.

First of all, the phototaxis of moths is one of the main reasons why they congregate under street lights. Moths are nocturnal insects that attract light sources when they are nocturnal. The light source has a strong attraction for the moths, and they will fly towards the light source.

As a strong light source, street lights will attract a large number of moths to gather around.

Secondly, rain also has a certain attraction for moths. Rain brings humidity and moisture, whereas moths have a certain need for humidity and moisture. In dry environments, moths are susceptible to dehydration, while rain can provide the moisture they need.

Therefore, under the street lamp after the rain becomes an ideal place for moths to find moisture.

In addition, the environment under the street lamps is also suitable for moth breeding and foraging. There is usually more vegetation around the street lamp, which provides a feeding base for moths. Moths feed on nectar and plant sap, and the flowers and plants around street lamps tend to meet their needs.

In addition, the environment under the street lights is relatively dark, providing a sheltered place for moths to breed. Moths usually choose to lay their eggs in the dark to keep their larvae safe.

To sum up, the reason why a large number of moths gather under street lamps after rain at night is mainly because of the moth's light tropism and the attraction of rainwater. Moths are attracted to the bright light of street lights, and street lights after rain provide the moisture and suitable environment that moths need, including conditions for feeding and breeding. That's why a large number of moths gather under street lamps when it rains at night.

After the rain, the rain drives the moths out, and the moths love to fly towards the first light, so they gather the moths.

Moths love to fly where there is light.

A large number of moths that appear after heavy rain should be large water ants.

1: From April to June every year, winged breeding ants breed in groups, generally flying 5-10 times, and mostly fly out of the nest in the evening before and after the sultry heat or heavy rain. After a short period of flight, winging, pairing, and then a new nest is built in the earth in an appropriate place.

Eggs begin to lay 6-7 days after nesting, and the egg period is about 40 days, if the ant develops into a worker ant after more than 4 months, and develops into a winged adult ant after 7-8 months. Winged adults are phototaxis.

2. It can harm a variety of trees, houses and furniture such as fir wood, metasequoia, black locust, paulownia, chestnut, etc. Termites nest in the soil, feed on the rhizomes of trees, and build mud blankets on trees to gnaw on the bark of trees, which can also invade the xylem from wounds.

Seedlings often die after being killed, and adult trees grow poorly after being killed. In addition, it can endanger the safety of the embankment.

Three: Hunting and killing method:

1: Light Booby-Trap. In April-June, when termites are flying, lights are installed to trap winged breeding ants.

2: Spray mirex, arsenic anticide powder, 60%-70% open cantony powder.

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Because when the rain is coming, the atmosphere is affected by the cold and warm air currents, the warm air sinks to the ground, and the air is particularly hot, many small insects are forced out to fly all over the sky, and moths will come out to feed. <

Because when the rainy day is coming, the atmosphere is affected by the cold and warm air currents, the warm air sinks to the ground and is slippery, and the air is particularly hot and stuffy, many small insects are forced to fly out all over the sky, and moths will come out to feed because of this.

<> moths are large water moths, which are actually breeding ants of termites, and from April to June every year is the main time point for them to "get married", looking for gaps and settling down. Termites like to make nests in a humid environment, and most of the spread of termites is through marriage, so when it rains, a lot of moths appear in humid weather.

If a small number of termites accidentally enter the home, the house should be kept ventilated and the furniture should be kept dry to prevent termites from creating conditions for termite reproduction.