SERENA ECOSERVIZI

BLATTA Nera Of the Houses (Blatta orientalis L.) The Blatta orientalis is the common one "black Blatta of the houses", of dark brown color, very known in the residences; it usually penetrates you through the behaviors of unloading of the sinks or, above all, through the portelles that allow the elimination of the refusals, to every plain of the inhabited buildings.
Length from 20 to 25 mm, native of southern Russia, it is currently cosmopolitan.
Lucifuga, igrofila, termofila.
The male has the tegmines and the wings well you develop, long equal to 3/4 of the abdomen, the female only has instead two brief sketches of tegmina. Thread-like spar, very long, long and thorny legs.
The cocoon, brown blackish, long from 10 to 12 mm, it contains from 16 to 20 eggs. The neanidis are at first pale brown color, subsequently

BLATTELLA (Germanic BlatteIla L.) Cosmopolitan, native of Europe, length from 13 to 14 mm. Yellowish-brown color with two brown-black longitudinal strips on the pronoto. The female is slightly bigger and longer than the male, both sexes possess wings well you develop, that use generally when I am somehow disturbed.
The kind is very dynamic, prolific and able to also climb on smooth or vertical walls.
Biology:
The eggs are deposed in a special cocoon that the female brings for two or four weeks leaning from the vagina. Every female deposes from 4 to 8 cocoons, brownish, shiny, almost rectangular, that contain from 20 to 40 eggs, to distance of 1 week the one from the other. During the post-embryonic development the juvenile forms complete around 6 molts

SUPELLA (Supella longipalpa F.) Cosmopolitan. Length from 10 to 12 mm. Very similar to the Germanic Blattella, from which he differentiates for the lack of the two longitudinal brown stains on the pronoto.
Lucifuga, long male from 10 to 12 mm, reddish yellowish color, long spar once and a half the length of the body, pronoto with translucent side edges, well developed but different styles, one thin, the other an a little flattened, tegmine yellow rust with two more marked reddish stains near the base, that you/they separate the extremity of the abdomen.
Shorter and stumpier female of the male, color generally more dark color; the elytrons don't reach the extremity of the abdomen.
Biology:
The female brings the cocoon completed for 1-2 days leaning from the vulva, then the laying and you/he/she attaches her/it