Myrsidea olivacei Price, Hellenthal & Dalgleish 2005

Myrsidea olivacei Price, Hellenthal & Dalgleish, 2005

Myrsidea olivacei Price, Hellenthal & Dalgleish, 2005: 15, fig. 20.

Type host. Mionectes olivaceus Lawrence, 1868 —olive-striped flycatcher.

Type locality. Simla near Arima, Trinidad & Tobago.

Material examined. Ex Mionectes olivaceus: 2♀, 2♂, Rincón de la Vieja, Costa Rica (10°46'N, 85°18'W), 22–24 August 2009, O. Sychra & I. Literak (MMBC); 2♂, Tapantí National Park, Sector Tapantí, Costa Rica (09°46'N, 83°47'W), 6 August 2009, O. Sychra & I. Literak (MMBC).

Remarks. This is the first record of M. olivacei from Costa Rica. Our specimens differ from the original description of M. olivacei by setal counts and dimensions, as follows [data from Price et al. (2005) are in parentheses]:

Female (n = 2). Metanotum with 9–10 (10) marginal setae Tergal setae: I, 8–9 (11); III, 1 3–15 (12–13); IV, 13– 14 (12–13); V, 15–16 (12–13); VI, 12–14 (12–13); VII, 11–12 (10); VIII, 7–9 (6). Sternal setae: II, with 13–16 marginal setae between asters, 4–6 medioanterior (total number of setae on sternite II including aster setae is 25–30 vs 32 in Price et al. 2005); III, 22–24 (24); V, 34 (28–31); VI, 26–29 (28–31); VII, 16 (13); VIII–IX, 8–9; and 12– 13 setae on serrated vulvar margin (total number of VIII–IX sternal setae is 20–22 in comparison with 18 in Price et al. 2005). Dimensions: HL, 0.28–0.29 (0.31); PW, 0.28–0.29 (0.28); MW, 0.41–0.42 (0.43); AWIV, 0.54–0.56 (0.55); ANW, 0.21 (0.20); TL, 1.46–1.49 (1.43).

Male (n = 4). Metanotum with 6–9 (8) marginal setae. Tergal setae: I, 7–8 (9); II, 12–14 (13); III, 12–13 (9– 12); IV, 12–15 (9–12); V, 13–15 (9–12); VI, 11–14 (9–12); VII, 8–12 (8); VIII, 7–8 (6). Sternal setae: II, with 13– 14 marginal setae between asters, 4–5 medioanterior (total number of setae on sternite II including aster setae is 25–27 vs 27 in Price et al. 2005); III, 1 7–21 (19); IV, 22–26 (21); V, 28–33 (26); VI, 24–26 (21); VII, 14–16 (12); VIII, 6–7 (5); remainder of plate, 6–9. Dimensions: TW, 0.39–0.40 (0.40); HL, 0.24 (0.28); PW, 0.25–0.26 (0.26); MW, 0.32–0.33 (0.35); AWIV, 0.41–0.42 (0.44); TL, 1.18–1.20 (1.12).