GERMAN COCKROACH
(Blattella germanica)
Size, Shape and Colour: Adult german cockroaches are 12-15mm in length, they are generally mid brown in
colour, with a yellowish brown thorax, noticeable features are two dark brown stripes.
Long antennae, winged and can fly in high humidity but not readily. Wing lengths differ between male and
female. The wings are full length in male but 2/3 length in the female.
Biology: Ootheca (egg casing) produced 4-8 per female each containing 30-40 eggs, incubation approx.
17 days at 30oC, Nymphs hatch from ootheca 1-2 days after female has deposited it, Nymphal stages 6-7 to
adult, life span 128 days for males and 153 the females.
Preferred Foods: Omnivorous including any organic matter including human waste.
Habitat: Warm moist environments, inside switch boxes and plug sockets, motor housings and panels inside
appliances, conduits and behind damaged tiles, etc. they can Can swim and will climb smooth surfaces easily.
Once established in home and food premises this insect is often difficult to eradicate, this is due to it hiding in
inaccessible places.
To gain control and eradicate this pest a full comprehensive inspection will be required before any treatment
to establish harbourages.
Control Measures: Challenge Services will be happy to provide practical advice and discuss which method of treatment would be most suitable for your premises.
If you require any further information or a quotation simply call us on the freephone number below.
CHALLENGE 24 HOUR PEST CONTROL SERVICES 0800 612 6965