Myrsidea antiqua Ansari, 1956

Kounek, Filip, Sychra, Oldrich, Capek, Miroslav & Literak, Ivan, 2013, Chewing lice of genus Myrsidea (Phthiraptera: Menoponidae) from Turdidae (Passeriformes) of Costa Rica, with descriptions of seven new species, Zootaxa 3620 (2), pp. 201-222 : 203-204

Myrsidea antiqua Ansari, 1956

Myrsidea antiqua Ansari, 1956 : Pak. J. Health, 5: 174, Figs 10 a–h.

Type host: Turdus grayi grayi Bonaparte, 1838 —Clay-colored Thrush.

Material studied. Three females and 2 males, ex Turdus grayi , COSTA RICA: Tapanti National Park, Sector Tapanti (09°46’N, 83°47’W; 1200 m), 2 August 2009, Sychra and Literak leg. Deposited in INBio (O.Sychra CR184–185) and MMBC (O.Sychra CR183).

Remarks. Our specimens differ from the redescription of M. antiqua presented by Clay (1966) by setal counts and dimensions as follows [setal counts and dimensions mentioned by Clay (1966) are in parentheses]:

Female (n = 3). Tergal setae: I, 13–15 (14–16); II, 15–16 (18–20); III, 16–19 (19–23); V, 19–21 (20–24); VI, 17–20 (20–26); VII, 16–18 (17–21). Postspiracular setae extremely long, 0.51–0.52, on II, IV and VIII; very long, 0.35–0.43, on I and VII; long, 0.21–0.25, on III; and short, 0.13–0.16, on V and VI. Sternal setae: II, 12–13 (9–12) anterior setae; III, 27–31 (25–29); V, 38–40 (33–38); VI, 32–37 (28–32); VII, 13–14 (10–13); VIII–IX, 23–25 (26–30) including 13–15 setae on vulval margin. Dimensions: MW, 0.50–0.51 (0.45–0.50); ANW, 0.23–0.24; TL, 1.59–1.66 (1.62–1.74).

Male (n = 2). Tergal setae, with median gap in the row of setae on II–VIII: II, 14–17 (19–21); V, 18–20 (20–23); VI, 17–18 (19–21); VIII, 9 (11–13). Postspiracular setae extremely long, 0.51, on II, IV and VIII; long, 0.25–0.31, on I and VII; and short, 0.11–0.14, on III, V and VI. Sternal setae: VI, 30–32 (32–42); VII, 15–17 (16–18). Sternites III with 1–2 medioanterior setae. Dimensions: HL, 0.28–0.30 (0.30–0.33); PW, 0.28–0.30 (0.29–0.31); MW, 0.39–0.40 (0.36–0.39); TL, 1.30–1.31 (1.38–1.43); GW, 0.11–0.12; GSL, 0.09.

Figures

FIGURES 7 – 10. 7 – 8, Myrsidea hrabaki: 7, female dorsoventral mesothorax, methathorax and abdomen. 8, male genital sac sclerite. 9 – 10, Myrsidea obsoleti: 9, female dorsoventral mesothorax, methathorax and abdomen. 10, male genital sac sclerite. Scale bars = 0.5 mm for all figures.