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Technical Details
- Pig Louse Haematopinus suis - U.S. spelling: Hematopinus suis
- Parasites of Pigs - Hog Lice - Teaching Specimen
- Dried Dead Specimen for Demonstration Purposes
- More information at: www.pighealth.com/offers/veterinary.htm
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Product Description
Product Description
Haematopinus suis is ubiquitous in the world, found wherever there are domesticated or wild pigs. It lives on the skin of swine gripping the bristles (hair) with its claws. The nymph stage spend much of its time in the ear of the host, moving to other body areas for feeding and eventually preferring the habitat of the hog's abdomen. The adult Hematopinus suis is the largest member of the sucking lice order Anoplura, around 0.5 centimeters from tip of head to end of the abdomen. At the anterior extremity of the head are short antennae with three segments and modified mouthparts. Anoplura are characterised as 'sucking lice' because of their modified stylets for sucking blood, as opposed to the more primitive order known as the 'chewing lice' (Mallophaga). The mouthparts are contained in a structure termed the labrum which has "teeth" at the tip. Within the labrum is the haustellum which supports four retractable stylets (the fascicle). The fascicle enters the skin tissue of a pig during feeding and retracts back into head at the end of a feeding session. Two stylets, supported by a structure within the labrum known as the maxilla, lock together to form a food channel. Haematopinus suis lacks the maxillary palps of other lice. The thorax of H. suis is reduced and functions in locomotion. The abdomen has spiracles for respiration and also sex organs for reproduction.
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