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side. Abdomen marked black. U. signata. Ab. 27-28 mm. H.W. 34-37 mm.
Red, lower side yellowish, black marks on abdomen and thorax. Wing
veins crimson, base of front amber in the hind extended.
Refer. Fraser F. C. (1933-36) Fauna Br. India. Odonata Vol. 1 to 3.
ORDER PLECOPTERN—PERLIDAE (STONE FLIES) (PLATE 1
FIG. 5)
Soft bodied, biggish, odonata type. Antennae long, weak mouth parts.
Wings membranous, flat on back at repose. Processes at the end of
abdomen. Weak fliers. Breed in water, rarely leave the surroundings.
Adults rest on stones, tree trunks etc.
Eggs laid in clear water, stony beds preferred. Nymphs similar to
Odonata but with long antennae and cerri, lone hairy legs with claws.
insects Feed on algae, mosses etc. Moult 12-36 times to attain adulthood.
About 1300 species described, a few known from India, none noted in
Maharashtra.
See Lefroy H.M. (1909) Indian Insect Life P. 124 Perlidae, Imms A.D
(1959) General Text Book of Entomology, P. 311.
ORDER ORTHOPTERA
Vary in size, 8-100 mm. Undergo gradual development. Possess two
pairs of wings, upper pair (tegmina) thick, parchment like, lower pair thin,
net of nerves, kept folded under tegmina when not in use. Hind legs
strongly developed for leaping. 3 families.
Fam. Acrididae. Short-horned grass hoppers टाचणी)