Friday, May 20, 2016

The taxonomic position of the desert locust t

     Classification
Characterictics
Phylum
Arthropoda
Bilaterally symmetrical, triploblastic, metameric segmentation, segments fused to form head, thorax and abdomen, jointed appendages, chitinous exoskeleton, respiration by gills or trachea, striated muscles for rapid movements, specialized alimentary canal, metamorphosis present.
Class
Insecta
Bilaterally symmetrical, triploblastic, metameric segmentation, segments fused to form head, thorax and abdomen, three pairs of articulated legs, chitinous exoskeleton.
Sub-classs
Orthopteroidea
Hind wings at rest folded at the level of the longitudinal ridge, grinding buccal parts, hind legs for jumping.
Order
Orthoptera
Short antennae, ovipositor with short valves.
Sub-order
Acridoidea
Spines on the hind tibiae, non-vaulted pronotum, ovipositor present, pronotum not greatly prolonged to the rear.
Family
Acrididae
Fastigial groove absent
Sub-family
Cyrtacanthacridinae
Mesosternal lobes rectangular, prosternal process or collar present.
Genus
Schistocerca
Sub-genital plate of the male strongly bilobed, cerci broad, compressed into the form of a lamella with the apical margin slightly truncated and excised, Elytra pigmented with many small dark spots, form and furrows of the pronotum.Eye stripes present (generally 6 or 7 but occasionally 5 to 8), hind wings hyaline in case of fledgelings but yellow appears gradually becoming bright yellow when sexually mature.

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