بحث عن حشرة الدعسوقة حشرة بالانجليزي

الدعسوقيات أو الخنافس المنقطة معلومة عن حشرة "الدعسوقة

حشرة اسماء هل سامة معلومات عن الدعسوقة للاطفال دورة حياة الدعسوقة

وفوائدها الخنفساء الحمراء المنقطة حشره ام علي دعسوقة (بالإنجليزية: Coccinella)، فصيلة الدعسوقيات من رتبة الخنافس، أنواع الدعسوقيات، معظم أنواعها ذات اللون الأحمر أو البرتقالي، مع بقع سوداء، الخنافس النمرية  الخنافس (بالإنجليزية: Beetles) أو غمديات الأجنحة(الاسم العلمي:Coleoptera) مملكة الحيوان تتغذى الخنافس على النباتات والفطريات واللافقاريات وقضم الأشجار الحية والميتة من الداخل الخنافس الأرضية وخنافس أبي العيد إذ انها تتغذى على الحشرات واليرقات والهوام الضارة، وهي بذلك تؤدي دور مهم في المقاومة البيولوجية. المملكة حيوانات الشعبة مفصليات الأرجل الطائفة حشرات الطويئفة جناحيات الصنف الفرعي حديثة الأجنحة داخليات الأجنحة         غمديات

لينيوس مفترسة ذوات الجناح الغمدي الأنثى عشرات، مئات، أو آلاف البيوض التغدية التكيف , أجنحة  فوائد الخنفساء السوداء جالوت الطويلة القرون أو القرنبيات

اضرار الخنفساء المنزل

THE LADYBUG

Physical description

The ladybug is an insect of the order Coleoptera and the family of coccinellids.

Its body has a flat ventral surface and a rounded and colored upper part, formed by the elytra. The elytra correspond to hard wings. They protect the two membranous wings that allow the ladybug to fly.

There are around 3000 species of ladybugs in the world, including 90 in France.

Depending on the species, elytra are red, black or yellow, and stained a number of points. This number does not indicate, as some think, the age of the ladybug but depends simply on the species and allows to characterize it.

The red ladybug with 7 black dots is the most common. It measures between 3.5 and 5 millimeters and weighs about 15 milligrams. She has 3 pairs of legs. The tip of the paw, called "tarsus", has 4 segments.

Its head is black and covered by a sort of shield, the pronotum, with two white spots on each side; it has two short antennae, in a club, and two maxillary palps shorter than the antennae.

His place of life

The ladybug lives in gardens and fields. It has two types of habitat depending on the season.

During the hot season, the ladybug lives on trees, shrubs and grasses. It is there that she takes her food and accumulates reserves. It is also where it breeds.

During the cold season, the ladybird starts "diapause", that is to say that it stops for a time its development, and finds shelter under the stones, under the bark of the trees, in the old stumps, in the moss, or under faded flower leaves.

His diet

While some ladybug species are herbivorous, most are rather insectivorous. Larvae and adult ladybugs feed mainly on aphids and mealybugs. The adult can eat up to 100 aphids a day and the last instar larva, up to 150 aphids a day!

His reproduction

The metamorphosis of the ladybug has four stages: egg, larva, nymph and adult.

In spring, the male and the female mate. At the time of spawning, the female chooses a leaf invaded by aphids and settles there to lay her eggs. It lays between 100 and 400 very small and yellow eggs. After 3 to 7 days, the eggs hatch and the larvae emerge.

These larvae are metallic blue in color and can eat several hundred aphids during the 3 weeks of their development. Then, using silk threads, these larvae attach the end of their abdomen to the back of a leaf and remain curled up and motionless for 8 days. This is the pupation phase. Then, the adult is released from his envelope. At first pale yellow, the ladybug becomes, after a few hours, red with several black spots.

In a lifetime, a ladybug can give birth to thousands of larvae.

His life expectancy

The ladybug has a life expectancy of 2 to 3 years. In captivity, its life rarely exceeds 3 weeks.

Particular signs

The ladybug moves while walking but can also fly when necessary.

It is called "the beast to God" because, according to a legend dating back to the Middle Ages, it would bring happiness.

It is also the best friend of the gardeners. It is used as a natural insecticide to control aphids and mealybugs. Ladybugs are available for sale in specialized stores, most often in the larval stage to prevent them from flying away.