Iapir Py-Daniel, Fonseca & Barbosa

Sampaio, Brunno Henrique Lanzellotti & Ferreira-Jr, Nelson, 2014, A new species of Iapir Py-Daniel, Fonseca & Barbosa (Coleoptera: Myxophaga: Torridincolidae) from Brazil with key to species of the genus, Zootaxa 3753 (2), pp. 196-200 : 199-200

Key to the species of Iapir Py-Daniel, Fonseca & Barbosa

1. Humeral callus feebly to strongly protuberant (anterior margin of elytron sinuate) ( Fig. 2a ); hind trochanter with a tooth-like projection ( Fig. 2 c).................................................................................... 2

1’. Humeral callus not protuberant (anterior margin of elytron slightly sinuate) ( Fig. 2 b); hind trochanter without projection like a tooth ( Fig. 2 d)........................................................................................ 4

2. Supra-orbital carina fading before the posterior margin of eye; semilunar impression of abdomen dimorphic in male and female (on females the impression is projected medially toward the apex of abdomen) ( Figs. 2 e, f)..................................................................... Iapir borgmeieri (Reichardt & Vanin) [ Brazil, Minas Gerais State]

2’. Supra-orbital carina reaches the posterior margin of eye; semilunar impression of abdomen similar on males and females.. 3

3. Hind trochanter with tooth-like projection conspicuous ( Fig. 2 c); hind wing with RP vein reaching the oblongum cell in the apex of rp-mp1 vein, near to r4 ( Fig. 2 h).... Iapir quadridentatus Braule-Pinto, Fonseca & Hamada [ Brazil, Pernambuco State]

3’. Tooth-like projection on hind trochanter present but not conspicuous; hind wing with RP vein reaching the oblongum cell in the middle of rp-mp1 vein ( Fig. 2 g)............... Iapir trombetensis (Fonseca, Py-Daniel & Barbosa) [ Brazil, Pará State]

4. Pronotum slightly raised medially, forming a keel feebly conspicuous on posterior third...................................................................................... Iapir castalia (Reichardt) [ Brazil, Rio de Janeiro State]

4’. Pronotum entirely convex, without raised area forming a keel.................................................. 5

5. Hind wing reduced ( Fig 1 a); male genitalia with subapical tufts of setae ( Fig. 1 c)................................................................................................ Iapir vanini sp. nov. [ Brazil, Espirito Santo State]

5’. Hind wing developed ( Fig. 2 g, h); male genitalia glabrous........................................................................................ Iapir britskii (Reichardt & Costa) [ Brazil, Espirito Santo and Rio de Janeiro State]

Figures

FIGURE 1. Iapir vanini sp. nov. a – b) Habitus (scale: 1 mm): a) dorsal; b) ventral. c – e) Mouthparts (scale: 0.1 mm): c) labrum; d) mandibles; e) left maxilla. f – g) Male genitalia (scale: 0.1 mm): f) lateral view; g) dorsal view.

FIGURE 2. a, b- Elytron detail: a) Iapir trombetensis with protuberant humeral callus; b) Iapir vanini sp. nov. with humeral callus non-protuberant; c, d- Hind trochanter: c) Iapir quadridentatus with projection tooth-like; d) Iapir vanini sp. nov. without projection; e, f- Last ventrites of Iapir vanini sp. nov.: e) male; f) female;