Parasecia valida ( Brennan, 1969 )

Stekolnikov, Alexandr A., Capek, Miroslav & Literák, Ivan, 2022, New species and records of chiggers (Acariformes: Trombiculidae) from birds of the Neotropics, Zootaxa 5141 (6), pp. 501-552 : 532-533

Parasecia valida ( Brennan, 1969)

( Fig. 21 )

Fonsecia (Parasecia) valida Brennan, 1969: 663 , fig. 2.

Parasecia valida: Brennan & Lukoschus 1971: 44 ; Goff 1992b: 967; Bassini-Silva et al. 2020: 167, figs. 23, 24.

Diagnosis. SIF = 7BS-N-3-3111.1000; fsp = 7.7.7; fCx = 1.1.1; fSt = 2.2; fPp = B/B/NNB; fSc: PL> AM> AL; Ip = 607–637; fD = 2H-6(7)-6-4-2(2-4)+(2–6); DS = 30–32; V = 26–30; NDV = 57–60. Scutum nearly trapezoidal, with large anterolateral shoulders and sparse puncta; sensilla with ca. 10 branches in distal two thirds; sensillary bases slightly anterior to level of PL (PSB—P-PL = 2–6 µm). Standard measurements of examined specimens given in Table 10.

Distribution. Brazil ( Bassini-Silva et al. 2020), and Paraguay (this study).

Hosts . Hylaeamys megacephalus (Fischer) , Necromys lasiurus (Lund) ( Rodentia : Cricetidae ), Monodelphis brevicaudata (Erxleben) ( Didelphimorphia : Didelphidae ) ( Bassini-Silva et al. 2020).

New host records: Dendrocincla turdina , Dendrocolaptes platyrostris , Myiarchus ferox , Thraupis sayaca , Troglodytes aedon , Xiphorhynchus fuscus , Zonotrichia capensis .

Material examined. 32 larvae ( ZIN 8908–8939) ex D. platyrostris No PG 59, X. fuscus No PG 74, D. turdina Nos PG 75 and PG76, PARAGUAY: San Rafael Nat. Park, Kanguery, 19 August 2011; 33 larvae ( ZIN 8960–8982, 8985–8994) ex T. sayaca No PG 242, Z. capensis No PG 243, M. ferox No PG 244, T. aedon No PG 249, Kanguery, 24 August 2012.

Figures

FIGURE 21. Parasecia valida (Brennan, 1969), specimen ZIN 8936.A—general view, B—dorsal aspect of idiosoma, C—scutum, D—ventral aspect of idiosoma. Scale bars: 100 µm (A), 50 µm (B–D).