Beetles Identification Guide

pronotum The upper surface of the prothorax (Fig. 270).
prosternum The medial part on the underside of the prothorax in front of the
forecoxae (Fig. 271).
prothorax The first of the three thoracic segments bearing the fore legs.
pubescence The short closely set hairs covering an area.
punctate Covered with punctures.
punctation The total punctures of an area.
puncture A minute impression of the integument.
scale A modified, flattened seta (see Figs. 93 and 94).
scutellum A more or less triangular sclerite in the middle of the base of the
elytra (Fig. 270).
serrate Used in reference to an antenna in which some of the segments are
wider on one side (as in Fig. 15).
seta (pl. setae) A hair-like or bristle-like outgrowth of the integument.
shoulder The humeral angle of the elytron (Fig. 270).
sinuate Having the margin curved or wavy.
spiniform In the shape of a spine.
spot A small area on the integument of different coloration than the surrounding
area.
stria (pl. striae) A fine, longitudinal impressed line in the elytral integument,
between two intervals, sometimes represented only by punctures
(Fig. 270).
strial Related to the striae.
striated With striae.
suberect Used in reference to setae that are not completely upright.
sulcus (pl. sulci) An impressed line.
suture The median line where the elytra meet (Fig. 270).
tarsus (pl. tarsi) The last part of the leg, consisting of segments and attached
to the tibia (Fig. 271).
temple (pl. tempora) The area of the head behind the eye (te, Fig. 109).
thorax The second and median division of the insect body consisting of three
segments—prothorax, mesothorax, and metathorax.
tibia (pl. tibiae) The fourth segment of the leg between the femur and the
tarsus (Fig. 271).
trochanter The second segment of the leg between the coxa and the femur
(Fig. 271).
vestiture The structures, such as hairs and scales, covering the integument.
wing The organ of flight located under each elytron.
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