Name latin Bacillus rossius
english Mediterrain Stick Insect
PSG-Number 3
Systematics Super-Order Dictyoptera
Order Phasmatodea
Family Phylliidae
Subfamily Bacillinae
Tribe Bacillini
First Description Author ROSSI
Year 1788

Quotation of Size

The given size is measured from the head to the end of the abdomen, without the wings.

Female ca. 8cm- 9cm

Quotation of the Lifespan

The lifespan is given in month and has the following definition:

overall-age ("time between hatching and imago" + "lifespan after the last molting")

Example: 9 (2 + 7) month lifespan
overall-age = 9 month
time between hatching and imago = 2 month
lifespan after the last molting = 7 month

Female 5 ( 2 + 3) months


Morphologically differences between male and female.

Male adult: thinner than females
Female adult: more compact than males
Spreading southeuropean Mediterranean area (Spain, France, Italy, Croatia, the Balkans)
The description of this species is based on individuals of the following origin:
Putini (Croatia)
Habitat on forage crops, bushes, shrubbes, dry grassland, border of wood
inhabts dry, warm areas
Aggressiveness none
Colorvariants shades of green and brown
Hint In Mediterranean area live besides Bacillus rossius, Clonopsis gallica and Leptynia hispanica.
During the winter, they make a diapause in their eggs. Adults die when it gets colder. The autumn- eggs overwinter and the nymphs hatch in spring, when temperature rises. Till the end of spring those larvae become adult and lay eggs. These eggs hatch without a diapause. The nymphs grow till the end of summer/ beginning autumn. Whose eggs overwinter.
Thus 2 generations grow in a year.