Papules
Insect bites
Scabies
Seabather's eruption
Cercarial dermatitis (Swimmer's Itch)
Sub Q Swelling and Nodules<unk> 
Tungiasis
Loa loa
African Trypanosomiasis
Onchocerciasis
Ulcers
Tropical pyoderma
Leishmaniasis
Mycobacterium marinum
Buruli ulcer
Dracunculiasis (Guinea Worm disease)
Linear and Migratory Lesions
Cutaneous larvae migrans
Photodermatitis
Insect bites
Scabies
Seabather's eruption
Cercarial dermatitis (Swimmer's Itch)<unk> 
Tungiasis
Loa loa
African Trypanosomiasis
Onchocerciasis
Tropical pyoderma
Leishmaniasis
Mycobacterium marinum
Buruli ulcer
Dracunculiasis (Guinea Worm disease)
Cutaneous larvae migrans
Photodermatitis
See also domestic U.S. ectoparasites
Bed bugs
Lice
Scabies (Mites)
Ticks
Fleas
Pseudoparasites
Delusional parasitosis (Ekbom syndrome)
See also travel-related skin conditions
Myiasis
Papules
Volvulus 
Insect bites
Volvulus
Scabies
Fecal impaction
Seabather's eruption