The
new millennium has marked a major milestone in entomology with
the discovery of a new order of insect, Mantophasmatodea. You
have to go back to 1914 when another mountain-dwelling insect,
Order Grylloblattodea, was discovered. The order was initially
described from live specimens found in Namibia (Mantophasma zephyra
and M. subsolana) and from a 45-million-year-old specimen of Baltic
amber like the one shown below. The Mantophasmatodea's relation
to other insects is uncertain, but current conjecture is that
it is most closely related to Phasmida (stick insects) and the
Grylloblattodea. However, it differs from a Phasmida in that its
first body segment is the largest. Now called the "Gladiator"
(as well as Mantophasmids, Mantos and Heelwalkers), it reaches
up to four centimeters (1.6 inches) in length, is carnivorous
and nocturnal and lives at the base of clumps of grass that grow
in rock crevices. Unlike a Mantid, it uses both its fore and mid
legs to catch prey, and unlike a grasshopper, it can't jump. Gladiator,
and its DNA, will provide more pieces to the puzzle of the tree-of-life
that remains very incomplete for insects.
Gallery
of Fossil Gladiator Images |
| | | |
| Raptophasma
kerneggeri
Family: Mantophasmatidae
The 6.5 mm specimen above was found in Eocene-age (40
to 50 million year old) fossil resin (amber) from the
Baltic region of Russia. Note the powerful mandibles;
death grippers, spines on front legs; long, straight,
wingless body; unexaggerated thorax; jumping legs; and
hooked feet | |