Malvi’s adder’s-tongue fern: World’s smallest land fern discovered in Western Ghats

Researchers have discovered the world’s smallest land fern named Malvi’s adder’s-tongue fern (Ophioglossum malviae) inAhwa forests of Western Ghats in Gujarat’s Dang district. Ferns are seasonal and mostly grow with first monsoon rains. They are not very common even in the locality they are found in.

Key Facts

The fingernail-sized fern belongs to group known as adder’s-tongue ferns, named after their resemblance to snake’s tongue. Its size is just one centimetre (the most similar adder’s-tongue fern is 10 cm tall). Its minuscule seeds (called spores) has unique thick outer layer which is not present in similar species. It is differed from similar ferns in not just size but also in other complex fern features too.

Giant mosquito with 11.15 cm wingspan found in China

Scientists have discovered a giant mosquito with a wingspan of 11.15 centimetres in China’s Sichuan province. The mosquito belongs to the world’s largest mosquito species Holorusia mikado. This species mosquito was first found in Japan and normally have wing span of about eight centimetres.

Key Facts

The giant mosquito was found in August 2017 during field trip to Mount Qingcheng in Chengdu, capital of south-west China’s Sichuan province. The mosquito mainly feeds on nectar and not on blood. The adults of this sepecies have lifespan of only few days and are found in areas with dense vegetation. They are weak fliers because of their big bodies and when they fly, it is more like hopping.