VPAR 131

Order Hemiptera

Order Hemiptera

True bugs

Mouth parts

Hemiptera: are adapted for piercing and

sucking

anterior pair

Hemiptera:

Two pairs of wings: of harder

consistency

hemelytra

Hemiptera: anterior pair of harder

consistency

plant lice, and bugs

Hemiptera: Included _of considerable

economic importance belongs in this order

Hemiptera

Small number of species are of medical

importance because of their blood-sucking

capabilities

Family Cimicidae

Family Reduviidae

Family of Hemiptera

Cimex lectularius

(bed bug)

Cimex lectularius

attacks man and animals and birds

Cimex lectularius

4-5mm long, flat bodied, elongate

oval in shape and yellowish-brown to dark brown color

4

Cimex lectularius head bears a pair of long antennae w/ __ joints

Cimex lectularius; abdomen

species_; has 8 visible segments

Cimex lectularius; whole body

species_; covered w/ spinose bristle

and hairs

Cimex lectularius; tibia

species_; of legs have 3 joints

Cimex lectularius; ventral thoracic **stink glands**

species_; adult has a pair of

Cimex lectularius; dorsal abdominal glands which responsible for characteristics odor

species_; young has a pair of

Cimex lectularius; mouth parts

species_; are modified for piercing

and sucking

Cimex lectularius; labrum

species_; is small and immovable

Cimex lectularius; labium

species_; forms a tube w/ 4

joints and contains piercing mandible

Family Cimicidae ; 150-200 eggs in dark crevices

family _; Female lays

Family Cimicidae ; eggs

family _; is creamy white, 1mm long and has an operculum

Family Cimicidae ; larva

family _; hatches after 3-14 days at 23°c or longer at lower temp.

food supply and

temp. under favorable condition

family _; rate of devt. Depends greatly on __

Family Cimicidae ; 8-13 wks

family _; adult stage reached in

__. after hatching

bugs

live long and can survive long periods of

starvation

nocturnal

bugs are mainly __ but bites at daytime if the hosts are quite

wounds

bugs after blood meal, they defecate around the __

thus possible transmission of disease through feces

adjoining houses

bugs they travel for long distances passing

__

bugs ;

(fowls, turkey and pigeons)

cause severe irritation and anemia in poultry (__)

***. hemipterus (C. rotundatus)***

of Southern Asia and

Africa

***Ornithodorus (Ornithocoris) toledoi***

occurs in Brazil are both poultry parasite

***Haematosiphon indora***

Central America is an

important pest of chicken and other poultry

HCH, chlordane and deildrin

can be use as

spray, smokes or powders

chlorinated hydrocarbons may occur and organophosphates synergized pyrethrins and

synthetic pyrethroids are then indicated

resistance to

family Reduviidae

cone nose bugs, kissing bugs, assassin

bugs

family Reduviidae

Host of *Trypanosoma cruzi* in South

America

*Trypanosoma cruzi* in South

America

family Reduviidae is host of

family Reduviidae

Larger than Cimicidae

family Reduviidae

Well-developed wings

family Reduviidae

Cone-shaped head

family Reduviidae

Abdomen is flattened than Cimicidae

family Reduviidae

Most genera are distributed in South and

Central America

South and Central America

Most genera of family Reduviidae are distributed in

*Triatoma*

is the largest and important

vector species of Family Reduviidae

Family Reduviidae

Eggs laid after blood-meal and hatching is

dependent on environmental temperature

Family Reduviidae

Five nymphal stages, duration maybe from

120 days or 2 years (majority 1 yr)

Family Reduviidae

Control is difficult

HCH and dieldrin

Control of family Reduviidae

120 days or 2 years (majority 1 yr)

Duration of five nymphal stage of Family Reduviidae

Order Coleoptera

Species are the beetles

Order Coleoptera

Have 2 pairs of wings: **Elytra**, anterior mesothoracic pair which are thickened to form hard horny/leathery covers for posterior pair(metathoracic)

**Elytra**, anterior mesothoracic pair which are thickened to form hard horny/leathery covers for posterior pair(metathoracic)

Have 2 pairs of wings: Order Coleoptera

**Elytra**,

Have 2 pairs of wings: Order Coleoptera anterior mesothoracic pair

Order Coleoptera

Mouthparts adapted for chewing

Order Coleoptera

Metamorphosis is complete

Order Coleoptera

Pupa is free

Order Coleoptera

Important carriers of disease producing organism

Order Coleoptera

Serve as intermediate hosts of spiruroid

***Spirucera lupi,***

***Ascarops strongylina***

***Physocephalus sexalatus***

***Gongylonema pulchrum***

Order Coleoptera Serve as intermediate hosts of spiruroid (--)

***Bacillus anthracis***

Scavenger beetles showed as carrier of

Scavenger beetle

showed as carrier of ***Bacillus anthracis***

Dung beetles

may spread bacteria and important as intermediate host of tapeworms and nematodes

tapeworms and nematodes

Dung beetles may spread bacteria and important as intermediate host of

Family Culicidae

Family Reduviidae

Enumerate family under Order Hemiptera

Order Siphonaptera

Wingless with lateral compressed

bodies(1.5-4mm long)

Order Siphonaptera

Chitinous covering is thick and dark

brown

Order Siphonaptera

Absent of compound eyes, some have

large/ small eyes

Order Siphonaptera

Abdomen has 10 segments

Order Siphonaptera

9th abdominal segment of male and

female bears a dorsal plates called

sensilium or pygidium w/c covered w/

sensory setae

sensilium or pygidium

9th abdominal segment of male and

female bears a dorsal plates called

sensory setae

9th abdominal segment of male and

female bears a dorsal plates called

sensilium or pygidium w/c covered w/

\

Order Siphonaptera

Tergum of 9th abdominal segment of

male is modified as claspers

claspers

Tergum of 9th abdominal segment of

male is modified as

Order Siphonaptera

Penis (aedeagus) of male is chitinous

and coiled and has complex structure

Penis (aedeagus)

of male is chitinous

and coiled and has complex structure

Order Siphonaptera

Legs are long, strong and adapted to

gaping

Order Siphonaptera

Combs/ctenidia are large spines on

head and thorax

Combs/ctenidia

are large spines on

head and thorax

genal comb

comb in cheeks

pronotal comb

comb in posterior

border of 1st thoracic segment

(absent in some sp.)

Order Siphonaptera

Presence of genal comb in cheeks

and pronotal comb in posterior

border of 1st thoracic segment

(absent in some sp.)

Order Siphonaptera

Antennae are short, clubbed and

sunk in antennal grooves

Antennae

are short, clubbed and

sunk in antennal grooves

*Ctenocephalides felis felis*

*Ctenocephalides felis strongylus*

*Ctenocephalides felis damarensis*

*Ctenocephalides felis orientalis*

***Ctenocephalides canis***

***Archaeopsylla erinacei***

***Spilopsylla cuniculi***

***Leptopsylla segnis***

***Ceratophyllus(Nosops***

***yllus) fasciatus***

***Xenopsylla cheopis***

***Pulex irritans***

***Tunga penetrans***

***Ceratophyllus gallinae***

***Ceratophyllus columbae***

***Dasypsyllus gallinulae***

***Ceratophyllus garei***

***Echidnophaga***

***gallinacea***

***Vermipsylla ioffi, V.***

***alacurt, V. perplexa,***

***V. dorcadia***

Enumerate Species under Order Siphonaptera

*Ctenocephalides felis felis*

\

cosmopolitan, in cats,

dogs and occasionally

in man, mouse, rat

and primates

*Ctenocephalides felis strongylus*

\

in Africa

*Ctenocephalides felis damarensis*

\

South Western Africa

*Ctenocephalides felis orientalis*

\

*-* in India, Sri Lanka, and

south-east Asia on cat

and related species

***Ctenocephalides canis***

\

restricted in dogs and

cosmopolitan

***Archaeopsylla erinacei***

\

n hedgehogs in Europe

and North America, in

dogs and cats

ffg.accidental exposure

***Spilopsylla cuniculi***

\

restricted to rabbit and

hare

***Leptopsylla segnis***

\

***-*** in house mouse, rats,

field mouse and other

wild rodents

***Ceratophyllus(Nosops***

***yllus) fasciatus***

\

Common of two rat fleas

***Xenopsylla cheopis***

\

oriental or black rat

flea.

***Pulex irritans***

\

human flea

***Tunga penetrans***

\

jigger or chigoe flea

***Ceratophyllus gallinae***

\

common flea of chicken

***Ceratophyllus columbae***

\

in domestic pigeons

***Dasypsyllus gallinulae***

\

\- in wild birds (grouse, robin

and woodcock)

***Ceratophyllus garei***

\

water fowls