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Family Passandridae - Parasitic Flat Bark Beetles

Flat Bark Beetle - Catogenus rufus Unknown beetle - Catogenus rufus Taphroscelidia linearis (LeConte) - Taphroscelidia linearis Passandrid (Parasitic Flat Bark Beetle) ??? - Catogenus rufus Taphroscelidia linearis (LeConte) - Taphroscelidia linearis Beetle 07.20.2010 025 - Catogenus rufus Catogenus rufus (Fabricius) - Catogenus rufus Trogossitine? - Catogenus rufus
Classification
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Class Insecta (Insects)
Order Coleoptera (Beetles)
Suborder Polyphaga (Water, Rove, Scarab, Longhorn, Leaf and Snout Beetles)
Superfamily Cucujoidea
Family Passandridae (Parasitic Flat Bark Beetles)
Pronunciation
Pass-AN-druh-dee
Synonyms and other taxonomic changes
Formerly treated as part of Cucujidae
Numbers
3 spp. in 2 genera in our area(1), 36 spp. in 5 genera in the New World, >100 spp. in 9 genera worldwide(2)
Identification
diagnostic characters(3):
tarsi 5-5-5 in both sexes
head and prothorax with system of lines and grooves (also in Laemophloeidae)
elytra with system of cells or vestiges of cells
mesocoxal cavities closed laterally by sterna
hing wing veins well-developed
genae produced anteriorly as rounded plates, concealing maxillae
gular sutures confluent (confluent = running into one another; gula is part of the "neck", the collum)
adeagus inverted with articulated parameres
Range
much of the world, esp. in warmer climes; in our area, e. NA & so. US(1)(2)
Food
larvae are ectoparasites of wood-inhabiting insects, esp. Cerambycidae; adult feeding habits unknown(1)