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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 furca fore wings ferna femur episternum epimeron discal setae ctenidia cross vein

CROSS VEIN: Short veins, which connect the longitudinal veins.
 character state
CTENIDIA: Typical comb-like structures of very short microtrichia on the lateral discal area of tergites.
DISCAL SETAE: Small setae inserted in the middle area and not on the margin of a sclerite.
EPIMERON: Posterior division of the thoracic pleuron, separated from the Episternum by the pleural suture (in phlaeothripids often used for the separated posteroangular sclerite of the prothorax).
EPISTERNUM: Ventral plate of the prothoracic sternal region, caudolateral behind basantra and lateral to the spinosternum.
FEMUR: The 3rd part of an insect leg, following the coxa and trochanter.
FERNA: A pair of sclerites on the posterior half of the prosternum, just behind the basantra (if present).
FORE WING: Anterior pair of the wings, usually arising on the cranial edges of the mesosternum.
FURCA (=Endofurca): Part of the endosceleton of the meso- and metathorax (meso- and metafurca), the 2nd and 3rd segment of the thorax develope apodema from the ventral surface of their segment.
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.