Pediculus humanus Note sexually dimorphic characters a blunt

Pediculus humanus. Note sexually dimorphic characters; a blunt posterior in the male, bifurcated posterior in the female. [Phum 1] male female

Pediculus humanus capitus, male, entire (composite). [Phum 2] A Legend: A, abdomen; H, head; T, thorax. T H

Pediculus humanus capitus, male, leg segments. [Phum 3] Legend: cx, coxa; tr, trochanter; f, femur; ti, tibia; ta, tarsus, claw. ti f cx ta cl tr

Pediculus humanus capitus, male, entire (composite). Legend: a, antenna; as, abdominal sternites; e, eye; pp, paratergal plates; s, spiracles; t, trachea; tp, tergal plates. [Phum 4] t e t as tp e s pp a

P. humanus, male (copulatory apparatus). Box in A enlarged in B. [Phum 5] A B

P. humanus, female. Box in A enlarged in B. Legend: al, apical lobe; g, gonopods; gp, genital plate; p, paratergal plates. [Phum 6] A B gp g p al p

P. h. capitus, genitalia: A, female; B, male. Legend: a, aedeagus (penis); g, gonopod; gp, genital plate; p, paratergal plate; s, spiracle; t, trachea. [Phum 7] B A p t t gp g bifurcated posterior p a p s s sexually dimorphic character t blunt posterior

P. humanus: claw of 1 st leg; male (left) female (right). Note serrations (arrow) on male, absent in female. [Phum 8]

P. humanus. Head of male (A); female (B). Legend: a, antenna; e, eye. [Phum 9] A B a e

P. humanus mouth parts: male (A); female (B). Legend (terms tentative): m, muscle; o, oral opening; p, pharynx; s, stylet. Scale bars = 100 um. [Phum 10] o A B s p m p

P. humanus: paratergal plates (A); sternal plate (B). Legend: s, spiracle; t, trachea. Note am, lm, and pm, indicate anterior, lateral, and posterior margins of sternal plate. [Phum 11] B A am s lm t pm

4 2 1 3 5

4 1 4 2 3 5

5 2 1* 2 3 *dorsal plates 4 6

2 1 1 4 5 2 3 1 2 3

P. h. capitus, genitalia: A, female; B, male. Legend: a, aedeagus (penis); g, gonopod; gp, genital plate; p, paratergal plate; s, spiracle; t, trachea. B A p t t gp g bifurcated posterior p a p s s sexually dimorphic character t blunt posterior

Pediculus humanus capitus, male, entire (composite). Legend: as, abdominal sternites; pp, paratergal plates; s, spiracles; t, trachea; tp, tergal plates. t t as s pp tp