Thrips are minute, soft-bodied insects with asymmetrical, rasping and sucking mouthparts formed from the labrum, labium, and basal segments of the maxillae. They have three stylets derived from two maxillae and the left mandible, with the right mandible absent. There are two suborders of thrips: Terebrantia, which have saw-like ovipositors and conical terminal abdominal segments in females, and Tubulifera, which have reduced or absent ovipositors and tubular last abdominal segments in both sexes. Thrips are polyphagous pests of many horticultural crops and some economically important pest

1. Order:- Thysanoptera
Synonyms : Physopoda
Etymology : Thysano - fringe; ptera - wings
Common name : Thrips.

2. They are minute, slender, soft bodied insects.
 Mouthparts are rasping and sucking.
Mouth cone is formed by the labrum and labium together
with basal segments of maxillae.
There are three stylets derived from two maxillae and left
mandibles.
Right mandible is absent. Hence mouthparts are
asymmetrical.
Characters:

4. Horticulture crops:- pomegranate, grape, citrus family,
banana, cardamom, fig, chilli, tomato, rose, etc.,
polyphagous pests

6. Thrips tabaci Haplothrips sp.
TEREBRANTIA TUBULIFERA
Wings carried side by side
along the dorsum when art rest
Wings overlapping along the
dorsum when at rest

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10. Suborder 1. Terebrantia Suborder 2. Tubulifera
Ovipositor saw –like Ovipositor reduced or absent
Terminal abdominal segment of
female conical and of male bluntly
rounded
Last abdominal segment usually
tubular in both the sexes
Wings carried side by side along the
dorsum when art rest
Wings overlapping along the dorsum
when at rest
Wings covered with microtrichia Microtrichiae on wings lacking
Forewings with at least one
longitudinal vein reaching apex
Front wings either without veins or
with a short median vein not
extending to wing tip
Family: Thripidae (common
thrips)
Economically very important family
and contains all pest species –
Phytophagous
Ex. Thrips tabaci - onion, tobacco,
beans etc.
Sciothrips cardamomi - cardamom.
Family: Phlaeothripidae These
include fungivorous, predacious and
phytophagous thrips
Ex. Gynaikiothrips uzeli.