metathorax

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metathorax

(mĕt′ə-thôr′ăks′)
n. pl. meta·thoraxes or meta·thoraces (-thôr′ə-sēz′)
The hindmost of the three divisions of the thorax of an insect, bearing the third pair of legs and the second pair of wings.

met′a·tho·rac′ic (-thə-răs′ĭk) adj.

metathorax

the posterior of the three thoracic segments in insects, bearing the third pair of jointed legs and the hind pair of wings.
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19 Metathoracic femora uniformly orange 20 -- Metathoracic femora extensively dark red-brown with orange proximal and distal ends torsteni sp.
VENTRAL COLORATION: Ground color pale brownish orange; acetabulae, posterior margin of metapleura, and anterior and posterior lobe of metathoracic peritreme, pale yellowish to yellowish orange; rostral segments I to IV dark reddish brown; coxae and trochanters reddish brown with pale brownish orange marks; femora and tibiae pale yellowish orange with dark to pale brown spots; tarsi reddish brown; lateral margins of abdominal sterna III to VII with irregular black spot.
Attraction of scavenging chloropid and milichiid flies (Diptera) to metathoracic scent gland compounds of plant bugs (Heteroptera: Miridae).
A wide granular band runs through the centre of the meso, metathoracic and 1st abdominal segment.
In general the length of the antenna wings meso and metathoracic femurs and tibias of the males were longer than those of the females.
Legs: Metathoracic coxa with a single lateral macroseta; metathoracic femora uniformly dark red-brown to black (proximal or distal end may be slightly paler); tibia 1 without an apical spur; alula and pulvilli present.
6), the distinct black area in the limit of metathoracic epimeron - episternum also found in males and females (Fig.
COLORATION: Head and thorax dark yellow, mottled with pink spots, with punctures black to reddish brown; rostral segments I to III dark yellow, and IV brown; pro- and mesosternum black; anterior and posterior lobe of metathoracic peritreme pale yellow; coxae and trochanter dark brown with irregular yellow marks; fore and middle femur dark yellow and densely mottled with black marks; hind femora dark reddish-orange, scattered with black marks; abdominal sterna dark orange, mottled with pink spots, with yellow irregular spots at posterior margin of sterna III to VII; genital capsule dark orange.
Dietrich and Deitz (1993) listed as synapomorphies for Cicadellidae: the mesonotum exposed posteriorly, the labium not reaching the metathoracic coxae, m-cul crossvein present, metatibia with distinct long setae, tarsomere I of hind leg without cucullate setae, stemum IX and subgenital plate not fused, and abdominal tergum with divided acanthae; all of which are homoplastic characters in their analysis.
Coxal sutures present; ventral spinulae present on pro- and meso-tarsi and tibiae, absent on metathoracic leg; trochanter with six sensilla; simple and complex spines present, complex spines confined to the femoral and tibial segments, most numerous anteroventrally and distally, and on the metathoracic leg; posterior tarsal claw shorter than anterior claw, tarsal spines present.
I compared the metathoracic spiracles at 400X in brightfield with Moritz's (1985) SEM of a metathoracic spiracle on G.