Practical 3: Arachnids of Agricultural, Medical and Veterinary importance

What order do mites and ticks belong to

Acari

What is this species of medical and veterinary importance

Otodectus spp - ear mites

What is this species of medical and veterinary importance

Psoroptes - scab mite

What is this species of medical and veterinary importance

Sarcoptes - sarcoptic mange mite

What is this species of medical and veterinary importance

Demodex - human follicle mite

What is this species of medical and veterinary importance

Dermatphagoides spp - house dust mite

What is this species of agricultural importance

Tetranychus evansi - spider mite

What is this species of agricultural importance

America tulipae - gall mite

What is this species that is a predatory mite

Phytoseiulus persimilis - predatory mite

What family do soft ticks belong to

Argasidae

What are the species names found in this family

Argas persicus ( fowl tick) and Argas refluxus ( pigeon tick )

What are the species name of this tick in family Argasidae

Ornithodoros moubata and Ornithodoros porcinus

What family do hard ticks belong to

Ixodidae

What is the species name of this in family Ixodidae

Amblyomma - bont ticks

What is the species name of this in family Ixodidae

Haemaphysalis - southern African yellow dog tick

What is the species name of this in family Ixodidae

Hyalomma - bont legged ticks

What is the species name of this in family Ixodidae

Rhipicephalus - brown ear tick

What tick spreads Babesia

Rhipicephalus

What order do spiders belong to

Araneae

Neurotoxic venom

Affects the nervous system

Cytotoxic venom

Destroys the tissue around bite site

What is the family and genus of neurotoxic venom spiders

Theridiiae, Lactrodectus

What species of spider is this

Lactrodectus indistinctus

What kind of eggs do black button spiders have

Round and smooth eggs

Symptoms and control of black button spiders

• abdominal pain, swelling

• Antivenom needed

What spider species is this

Lactrodectus geometricus

What eggs are produced by brown button spiders

Spikey

What are the symptoms of brown button bite

• Milder than black button spiders

• Increase in sweat production

What are the common name of spiders with cytotoxic venom

Sac spider, violin spider, six eyed sand spider

What spider species is this

Cheiracanthium - sac spiders

What are the symptoms of being bite by a sac spider

Ulceration wound, don’t feel at first

What spider species is this

Loxosceles - violin spider

What are the symptoms of being bite by a violin spider

Purple center - deep ulcerating wound

What spider species is this

Hexaphthalma - six-eyed crab spiders

What order do scorpions belong to

Scorpiones

What are the three main families of scorpions

• Hormuridae - thin tail

• Scorpionidae - thin tail

• Buthidae - thick tail

Name two main species found in more venomous family Buthidae

• Parabuthus granulatus - granulated thick tail

• Parabuthus transvaalicus - Transvaal thick tail

What type of venom do Buthidae species have

Neurotoxic

What are the symptoms of being stung by the Parabuthus spp.

Hyperesthesia, respiratory failure, unique form of restlessness in children therefore take to hospital immediately

What is this

Tetranychus - spider mite

What is this

Rhipicephalus

What family does this tick belong to

Argasidae

What is this

Argas spp.

What is this

Ornithodoros spp.

What tick is this

Amblyomma spp.

What tick species is this

Hyalomma

What tick species is this

Rhipicephalus

What is this

Babesia bigemina

What is this

Brown button spider - Lactrodectus geometricus

What is this

Violin spider - Loxosceles

What is this

Sac spider - Cheiracanthium spp.

What order does this belong to

Arachnids

What family does this belong to

Buthidae