BELOSTOMA (GIANT WATER BUG)

CLASSIFICATION OF BELOSTOMA (GIANT WATER BUG)

KINGDOM :- ANIMALIA (Multicellular eukaryotic organisms)

PHYLUM :- ARTHROPODA (Jointed appendages.)

CLASS :- INSECTA (3 pairs of legs.)

ORDER :- HEMIPTERA (Metamorphosis gradual.)

FAMILY :- BELOSTOMATIDAE

GENUS :-  Belostoma (GIANT WATER BUG)

GEOGRAPHICAL DISTRIBUTION

  • It is found in U.K., North America, South Africa and India.

HABIT AND HABITAT

  • It is the largest insect found in the rivers, ponds and lakes. They are rapacious feeding on insects. tadpoles, snails and small flies.

BELOSTOMA (GIANT WATER BUG) DIAGRAM INSECT ARHTROPODA

GENERAL CHARACTERSTICS OF BELOSTOMA (GIANT WATER BUG)

  • Common called as giant water bug.
  • This is large insect, measuring 10 cm in length and is adapted for swimming and crawling.
  • Body is dorsoventrally compressed and has usually three parts, namely head, thorax and abdomen. Pronotum large. 
  • Head has large compound eyes. Antennae 4-jointed. Mouth parts adapted for piercing and sucking. 
  • Mouth parts adapted for piercing and sucking. 
  • Thorax contains walking legs. Posterior legs adapted for swimming Tarsi 3-jointed. Tibia flattened and fringed with hairs. 
  • Just below thorax is scutellum. 
  • Wings membranous. Forewings are not uniform. Distal portion membranous while distal part hardened. At rest the wings lie flat over the abdomen in overlapping manner.
  • Abdomen is provided with two retractile apical appendages. 
  • In certain species female deposits its eggs on the back of the male where they are carried till hatching. Ovipositor well developed.
BELOSTOMA (GIANT WATER BUG) INSECT ARHTROPODA

SPECIAL FEATURES

  • Legs inflict injuries on prey. It also inflicts heavy wound on man which is very painful.

IDENTIFICATION

  • The insect contains 4-jointed antennae and all above features hence it is Belostoma.

BELOSTOMA (GIANT WATER BUG) INSECT ARHTROPODA
BELOSTOMA (GIANT WATER BUG) INSECT ARHTROPODA
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