. Australian insects. Insects. 192 COLEOPTERA, The Cerambycinae comprise a much larger division of the longicorn beetles, differing from the last group in hav- ing the first coxae not greatly extended transversely; the thorax not margined, and the last joint of the maxillary palpus usually broad. Fachydissus sericus is a slender silvery dark brown beetle about II/4 inches in length, with the tip of the wing covers spined and the basal joint of the. Fig. 90.âPdchijdU.'iKs *â¢(>/â <â¢('»« (Newman). The Silvery Longicorn, breeding- in the stems of Acacia lomjifoUa. ("Agricultural Gaz
. Australian insects. Insects. 192 COLEOPTERA, The Cerambycinae comprise a much larger division of the longicorn beetles, differing from the last group in hav- ing the first coxae not greatly extended transversely; the thorax not margined, and the last joint of the maxillary palpus usually broad. Fachydissus sericus is a slender silvery dark brown beetle about II/4 inches in length, with the tip of the wing covers spined and the basal joint of the. Fig. 90.âPdchijdU.'iKs *â¢(>/â <â¢('»« (Newman). The Silvery Longicorn, breeding- in the stems of Acacia lomjifoUa. ("Agricultural ; ) tintennae thickened. It is generally found clinging to the rough bark of tree trunks. They deposit their eggs in the bark of Acacia longifoUa; the larvae bore all through the trunk and larger branches; they have a wide range over the southern half of Australia. The Genus Phoracantha contains a number of typical dark yellow or mottled brown beetles which in the larval state feed between the bark and sapwood of different gum trees when the trees are dead or dying; several species are com- mon in firewood blocks about Sydney. The beetles are remarkable for long antennae fringed on the inner edge with fine hairs and short spines at the joints, and a single large spine on the sides of the thorax. Phoracantha recurua has a very wide range from the North-west coast to Victoria; it measures under 1 inch in length; is of a general dull yellow tint, with. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Froggatt, W. W. (Walter Wilson), 1858-; Metcalf Collection (North Carolina State University). NCRS; Tippmann Collection (North Carolina State University). NCRS. Sydney, W. Brooks
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