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Particular attention is given to key characters, because it is essential that they be interpreted correctly. You can use additional photographs within the key when you are unsure of the character state discussed in the text. A double click on the character state thumbnail opens the related character state photograph and the mouse cursor will surround the important specific character state.
Overview fore leg prosternum sternites metasternum abdomen metasternum head tergites I-II tergites tergite VIII wings fore wing distal head antennae head tergites pronotum tergite VIII meso- and metanotum fore wing fore leg sternites area of interest
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(antecosta-campaniform sensilla) -> (cilia-craspedum) -> (cross vein-furca) ->(gena-maxillary stylets) ->
(maxillary palps-ocellar setae) -> (ocellar triangle-posteroangular) -> (posteromarginal-setae) ->
(spine-wing retaining setae)

Overview maxillary stylets maxillary bridge marginal setae mandible labrum labial palps labium hindwing glandular area gena

GENA: The cheek on each side of the head, lying beneath the compound eyes.
 character state
GLANDULAR AREA: Areas of cuticle with an iridescent, porous appearance that are assumed to have some secretory function.
HIND WING: Posterior pair of the wings, arising on the craniolateral edges of the metanotum craniale, tight to the fore wing base.
LABIUM: Bilaterally-symmetric and fused sclerites that form the "lower lip" or floor of the mouth cone.
LABIAL PALPS: Paired sensory appendages attached to the labium.
LABRUM: An unpaired sclerite which forms the "upper lip" of the mouth cone.
MANDIBLE: Only the left mandible is developed in larvae and adult thrips. This is a blind stylet used to punch a hole in a leaf surface.
MARGINAL SETAE: Setae found at the margin of sclerites.
MAXILLARY BRIDGE: Endosceletal connection of the maxillary stylets deep in the head capsule of some phlaeothripid species.
MAXILLARY STYLETS: Paired needle-like structures, elongate part of the maxillae, developed from the laciniae.
Gordh, G & Headrick, D (2001): A dictionary of Entomology. CABI Publishing, Oxon & New York, 1032 pp.
Gullan, PJ & Cranston, PS (1994): The Insects: An Outline of Entomology . Chapman and Hall, London. 491 pp.