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单词 propygidium
释义

> as lemmas

propygidium
propygidium n.
Brit. /ˌprəʊpʌɪˈdʒɪdɪəm/
,
U.S. /ˌproʊˌpaɪˈdʒɪdiəm/
Entomology the segment or tergite immediately in front of the pygidium in certain beetles, esp. those with short elytra.
ΚΠ
1859 J. L. Le Conte Coleoptera of Kansas & E. New Mexico in Smithsonian Contrib. Knowl. 11 9 The 5th ventral segment united without suture to the propygidium, with the spiracle each side midway between the anterior and posterior margin.
1899 D. Sharp in Cambr. Nat. Hist. VI. 187 A similar plate anterior to the pygidium is called propygidium.
1981 Proc. Entomol. Soc. Washington 83 759 Morphological differences..on the propygidium and pygidium can be used to determine the sex of adults of the peach bark beetle.
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as lemmas
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