Figure 34.1
Typical papular urticaria. In this case, in response to flea bites.
Figure 34.5
Third instar larva of Dermatobia hominis (the human botfly). Note the rows of backward‐pointing spines.
Figure 34.9
Ctenocephalides felis , the cat flea.
Figure 34.13
Pediculus capitis , the head louse.
Figure 34.17
Pthirus pubis , the crab louse.
Figure 34.21
The life cycle of the bedbug. (From Bernadeschi et al . 2013 [ ]. Source and copyright holder: BMJ Publishing Group Ltd.)
Figure 34.25
Lytta vesicatoria on an ash tree, the best known of the blister beetles. (Courtesy of Dr M. Cornet, Nice, France.)
Figure 34.29
Ixodidae: hard tick. The term ‘hard’ refers to the dorsal chitinous shield or scutum. The mouthparts (capitulum) of ixodid ticks project forwards and ...
Figure 34.33
Ixodes ricinus , the sheep tick (engorged female). (a) Dorsal view. (b) Ventral view.
Figure 34.37
Scabies: clinical variants. (a) Scabies in an infant. Localization on the sole is not atypical in this form of scabies, nor is involvement of the face...
Figure 34.41
(a, b) Abdominal lesions in cheyletiellosis.
Figure 34.45
Scolopendra cingulata Latreille 1829, the most common scolopendromorph species in the Mediterranean area. (Courtesy of Dr Botterman and Dr Melhem, N...
Figure 34.2
Bullous lesions in response to arthropod bites. (Courtesy of Dr F.A. Ive, Durham, UK.)
Figure 34.6
Furuncle‐like lesion produced by Dermatobia hominis . The tail of the larva is visible in the centre of the lesion.
Figure 34.10
Tungiasis, showing a characteristic lesion on the sole of the foot. (Courtesy of Dr N.H. Cox, Cumberland Infirmary, Carlisle, UK.)
Figure 34.14
(a) Head louse eggs cemented to a hair shaft. (b) Scanning electron micrograph of the operculum on a head louse egg.
Figure 34.18
Crab louse clinging to hairs on the abdomen.
Figure 34.22
Bedbug adult (5–7 mm): Cimex lectularius .
Figure 34.26
Thaumetopoea pityocampa. (Courtesy of Dr M. Dutheil, Nice, France.)
Figure 34.30
Argasid: soft tick. The term soft refers to the absence of scutum. The mouthparts (capitulum) can only be seen from below. (Adapted from Rodhain and P...
Figure 34.34
Morphology of capitulum and genera of Ixodidae hard tick. Within the large family of ixodid ticks, there are several genera of medical importance, inc...
Figure 34.38
Crusted (Norwegian) scabies of the hand (a) and foot (b, c). (d) Grossly dystrophic nails in crusted scabies. (e) Severe scalp involvement in crusted ...
Figure 34.42
Cheyletiella yasguri .
Figure 34.3
Typical heavy scale in the coat of a dog suffering from Cheyletiella infestation.
Figure 34.7
Scanning electron micrograph of the spines of a Dermatobia hominis larva.
Figure 34.11
Scleroderma domesticum.
Figure 34.15
Numerous head louse eggs and empty egg cases.
Figure 34.19
Crab louse eggs attached to abdominal hair.
Figure 34.23
Clinical manifestations of bedbug bites: (a) three or four skin lesions are often seen in a ‘breakfast (1), lunch (2), dinner (3)’ distribution or (b)...
Figure 34.27
Latrodectus tredecimguttatus the female, with the small male on her abdomen. (Courtesy of Dr J.J. Peres, Peillon, France.)
Figure 34.31
Mouthparts of Ixodes ricinus nymph to show the toothed hypostome (interference contrast microscopy).
Figure 34.35
Sarcoptes scabiei , the scabies mites. Female with eggs.
Figure 34.39
Pyemotes ventricosus.
Figure 34.43
Dermanyssus gallinae : comparison in size with the head of a match.
Figure 34.4
Typical ‘pepper and salt’ appearance of flea eggs and faeces in the debris from a cat's bedding.
Figure 34.8
Typical distribution of cat or dog flea bites on the legs.
Figure 34.12
Scanning electron micrograph of a crab louse showing: (a) haustellum with buccal teeth; (b) everted buccal teeth; and (c) the protruded stylet bundle....
Figure 34.16
Clothing lice and eggs.
Figure 34.20
Crab louse eggs on the eyelashes.
Figure 34.24
To educate patients to the ‘search and destroy’ strategy, general practitioners should show them pictures of (a) bedbugs and their typical hideouts (e...
Figure 34.28
Buthus occitanus. (Courtesy of Dr J.J. Peres, Peillon, France.)
Figure 34.32
Scanning electron micrograph of tick mouthparts.
Figure 34.36
(a) Typical scabies in the finger webs. (b) Pruritic papules and nodules on the penis in scabies infestation. The genitalia should be examined in all ...
Figure 34.40
The ‘comet sign’.
Figure 34.44
Demodex folliculorum , the follicle mite.