Soil microarthropods are extracted with Tullgren funnel by application of heat.
Specimen Number : 01
a. Multicellular heterotroph.
b. Embryonic development, preceded by heterogametic fertilization.
Hence, the specimen belongs to the Kingdom Animalia.
a. Bilaterally symmetrical body.
b. Segmented body ,covered by chitinous cuticle.
c. Externally jointed appendages.
d. Usually compound eyes.
e. Exoskeleton differentiate into two types: i) Chitinous & ii) Arthroidal membrane.
f. Respiratory organ either body surface or gills or trachae or book lungs.
Hence, The specimen belongs to the Phylum Arthropoda
a. Body divided into head & trunk. In some, trunk is subdivided into thorax & abdomen.
b. Head bears one or two pairs of antennae, two pairs of maxillae & one pair of mandible.
c. Respiratory organ skin or gill or tracheae.
d. Compound eyes are usually present.
Hence, The specimen belongs to the Sub Phylum Mandibulata
a. Body is divided into head, thorax & abdomen.
b. Head is formed by the fusion of 6 segments.
c. Throax three segmented. Each segment bears a pair of jointed appendages.
d. Throax bears one pair or two pair of wings or absent.
e. Abdomen has 11 segments.
Hence, The specimen belongs to the Class Insecta
a. Wingless form.
b. Biting tyoe of mouthparts.
c. Mandibles have only a single point of articulation.
d. Presence of a terminal cerci.
Hence, The specimen belongs to the Sub Class Apterygota
a. Body divisible into head thorax & abdomen.
b. Abdomen is 6 segmented.
c. One Appendage is forked.
c. Biting mouth parts.
d. Thoracic legs are three pairs.
e. A retaining hook on third segment acts with a springing organ on the 4th abdominal segment.
Hence, the specimen seems to be a Springtail (Collembola sp)
Systematic Position (Beck, Liem & Simpson,1990)
Phylum: Arthropoda
Sub Phylum: Mandibulata
Class: Insecta
Sub Class: Apterygota
Order: Collembola
Specimen Number : 02
a. Multicellular heterotroph.
b. Embryonic development, preceded by heterogametic fertilization.
Hence, the specimen belongs to the Kingdom Animalia.
a. Bilaterally symmetrical body.
b. Segmented body ,covered by chitinous cuticle.
c. Externally jointed appendages.
d. Usually compound eyes.
e. Exoskeleton differentiate into two types: i) Chitinous & ii) Arthroidal membrane.
f. Respiratory organ either body surface or gills or trachae or book lungs.
Hence, The specimen belongs to the Phylum Arthropoda
a. Body divided into head & trunk. In some, trunk is subdivided into thorax & abdomen.
b. Head bears one or two pairs of antennae, two pairs of maxillae & one pair of mandible.
c. Respiratory organ skin or gill or tracheae.
d. Compound eyes are usually present.
Hence, The specimen belongs to the Sub Phylum Mandibulata
a. Body is divided into head, thorax & abdomen.
b. Head is formed by the fusion of 6 segments.
c. Throax three segmented. Each segment bears a pair of jointed appendages.
d. Throax bears one pair or two pair of wings or absent.
e. Abdomen has 11 segments.
Hence, The specimen belongs to the Class Insecta
a. Presence of wings.
b. Mandibles are articulated at two paints.
c. Anal cerci is present.
d. Metamorphosis is complete or incomplete.
Hence,the specimen belongs to the Sub Class Pterygota
a. Soft bodied insects.
b. Body is divided into Head, thorax & abdomen.
b. Colour usually pale yellow or pale white.
c. Head is small to large.
d. Biting & chewing type of mouthparts.
e. Presence of a pair of cerci.
f. Tarsi are 4 segmented.
Hence, the specimen seems to be an worker Termite .
Systematic Position (Beck, Liem & Simpson,1990)
Phylum: Arthropoda
Sub Phylum: Mandibulata
Class: Insecta
Sub Class: Pterygota
Order: Isoptera
Specimen Number : 03
a. Multicellular heterotroph.
b. Embryonic development, preceded by heterogametic fertilization.
Hence, the specimen belongs to the Kingdom Animalia.
a. Bilaterally symmetrical body.
b. Segmented body ,covered by chitinous cuticle.
c. Externally jointed appendages.
d. Usually compound eyes.
e. Exoskeleton differentiate into two types: i) Chitinous & ii) Arthroidal membrane.
f. Respiratory organ either body surface or gills or trachae or book lungs.
Hence, The specimen belongs to the Phylum Arthropoda
a. Body divided into head & trunk. In some, trunk is subdivided into thorax & abdomen.
b. Head bears one or two pairs of antennae, two pairs of maxillae & one pair of mandible.
c. Respiratory organ skin or gill or tracheae.
d. Compound eyes are usually present.
Hence, The specimen belongs to the Sub Phylum Mandibulata
a. Body is divided into head, thorax & abdomen.
b. Head is formed by the fusion of 6 segments.
c. Throax three segmented. Each segment bears a pair of jointed appendages.
d. Throax bears one pair or two pair of wings or absent.
e. Abdomen has 11 segments.
Hence, The specimen belongs to the Class Insecta
a. Presence of wings.
b. Mandibles are articulated at two paints.
c. Anal cerci is present.
d. Metamorphosis is complete or incomplete.
Hence,the specimen belongs to the Sub Class Pterygota
b. Antennae are elbowed.
c. Large head with well developed mandibles.
d. Biting or licking type of mouthparts.
e. Junction between thorax & abdomen much constricted.
f. Tarsi 3 to 5 segments.
Hence, the specimen seems to be an Ant .
Systematic Position (Beck, Liem & Simpson,1990)
Phylum: Arthropoda
Sub Phylum: Mandibulata
Class: Insecta
Sub Class: Pterygota
Order: Hymenoptera
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