Cigarette Beetle- (Lasioderma serricorne) -
2-3mm in length and reddish brown in color, the larva of this
beetle are what are commonly referred to as "bookworms".
Cigarette beetles derive their
name from being pests that feed on tobacco leaves, although
they are capable of eating many organic substances including
books. The beetles will also lay their eggs in books and
the larvae that spawn cause damage as they eat their way
out of the materials.
(Stegobium paniceum) - Also referred to as the
Bread or Biscuit beetle, about 2mm in length and reddish
brown, oblong body covered with fine hairs. This beetle
can feed on substances that are poisonous to humans.
When the larva hatch they
are approximately 0.5mm in length but can grow up to 5mm
long. The larva are usually greyish-white and will eat the
pastes in the spines of books and leather book covers.
Beetle – common
to the Cigarette beetle, the Mexican Book Beetle in its
larvae stage can do the
most damage. They will tend eat their way to the spine
of the book through the text block. As the larvae matures,
it turns into a tiny, ladybug like beetle, which is the
about the size of a pinhead, and dark brown or crimson
in color. They eat their way through the cover of the book
and make exit holes the size of large pinholes in the spine.
Once they are out of the book they fly to other volumes,
lay eggs, and the cycle repeats itself. The damage to the
book is often at the front of the text block and along