By Jacob Bean
Works stated in Abbreviated Form
Notices and Illustrations
Index of Former Owners
Index of Artists
Read or Download 17th century Italian drawings in the Metropolitan Museum of Art PDF
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The Zygaenidae are a relations of day-flying moths with an strange biology – they're in a position to freeing prussic (hydrocyanic) acid. All Australian species belong to the subfamily Procridinae (commonly often called foresters) and lots of of those function iridescent eco-friendly shades or a wasp-like glance. this can be the 1st research of the Australian fauna of those beautiful and biologically attention-grabbing moths.
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Extra info for 17th century Italian drawings in the Metropolitan Museum of Art
J. ) Fig. 125. Female abdomen of Pollanisus viridipulverulenta, abdominal hairtuft. (C. ) Figs 126–127. Female abdomen of Turneriprocris dolens, abdominal end. (C. ) 126: Overview; 127: papillae anales, detail. ZYGAENID MORPHOLOGY Coremata occur in the Zygaeninae (Zygaena Fabricius, 1775) in the 8th/9th intersegmental fold in males in the form of eversible hair pencils or brushes. These hair pencils are in close contact with dorsal and dorsolateral gland cells in the integument, which are believed to charge the coremata scales with scent molecules.
The cocoons can be rather hard 134 Pupa and cocoon The pupa of zygaenids is ‘incomplete’, the abdominal segments 3–7 in the male and 3–6 in the female are freely movable, the appendages are loosely fused to the body, articulated mandibles are absent, and tergites 3–8 in the male and 3–7 in the female bear a transverse row of hooked spines anteriorly (Tothill, Taylor and Paine 1930: 105, fig. 41, 196, fig. 42; Fig. 134. Pupa and cocoon of Pollanisus apicalis. (J. ) 39 40 ZYGAENID MOTHS OF AUSTRALIA (Naumann, Tarmann and Tremewan 1999: 23).
To attract males, the female moves into a specific calling position with the wings slightly spread and lowered, thus exposing the down-flexed abdomen to release the pheromone (Subchev 2003: 146, fig. 1).