How many species of dragonflies are there, and the color of each species [preferably pictures].
/tsg/Article_Show.asp?ArticleID=288 Take a look at this web site, there are some pictures of dragonflies The dragonflies are relatively old species of insects, belonging to the order Odonata, and most of them are large and medium-sized, and there are a few of them are small-sized. Dragonflies are extremely diverse, there are 4000~5000 kinds of dragonflies all over the world, and there are more than 300 kinds of dragonflies in our country. The most common dragonflies are 3 species: the Bewarefly, the Yellowfly and the Damselfly, which basically represent the various families of the order Dragonflies, i.e., the large, medium and small dragonflies. Common Dragonfly Species: 1. Frosty White Dragonfly The adult Frosty White Dragonfly has a bluish-gray with a slight purple coloration on the thorax, a red abdomen, and a slight white powder on the thorax and abdomen of mature individuals. In Taiwan, there is another subspecies, the Cili subspecies. It is only found in Guansumi, but not on the main island of Taiwan. 2. Thin-winged dragonflies are the most common and abundant species in Taiwan, and can be seen flying in groups in the sky in the fall. The wings are transparent and orange, and the abdomen is reddish-orange. 3. Lachen Dragonfly Black compound eyes, dark blue thorax, black abdomen, transparent wings, brown spots on the hind wings, and dark brown wings. 4. Purple Dragonfly with red ventral eyes, reddish-purple thorax, purplish-red abdomen, dark orange spots on the base of the wings and reddish wings. 5. RED DRAGONFLY The red dragonfly is almost bright red all over, with transparent wings and a slight orange coloration at the base. 6. Brown Spotted Dragonfly Thorax brown, wings transparent yellow-orange, wings orange-red. 7. Pygmy Dragonfly The pygmy dragonfly is grayish-blue all over and has a thin abdomen to distinguish it from the rough-waisted dragonfly. 8. Rough-waisted Dragonfly The adult Rough-waisted Dragonfly is light blue with many black markings on the whole body, and the abdomen is enlarged in 2-5 segments, hence the name. 9. Fickle Dragonfly: Thorax is reddish-brown, abdomen is red, 3/4 of the wing is dark red, velvety, and the wings are red. 10. Dinwing Dragonfly Dinwing dragonflies are black on the thorax and abdomen, with a blue-gray powder on the abdomen. 11. Juniper Dragonfly The compound eye is dark green, the wings are transparent, and the wings are yellowish brown. Abdominal segments 1-3 are enlarged like a ball, the fourth segment suddenly becomes thin, only segments 7-10 are slightly enlarged, and the anal appendages are white. 12. Hemp Spot Anchovy This species mainly inhabits the whole island of Taiwan at an altitude of less than 1,000 meters, with adults appearing from April to November. Adults have green compound eyes, yellowish-green head, black spots in the shape of "work" on the forehead, and green thorax.