Philacroterium Attems, 1926

Calvanese, Victor C., Brescovit, Antonio D. & Bonato, Lucio, 2019, Revision of the Neotropical species of Aphilodontinae (Geophilomorpha, Geophilidae), with eight new species and a first phylogenetic analysis of the subfamily, Zootaxa 4698 (1), pp. 1-72 : 46

Philacroterium Attems, 1926

( Figs 3D , 5D , 7B , 11A , 38D , 39C , 40C , 41 K–L, 42H–I, 44H–J, 46A–B)

Philacroterium Attems 1926: 329 .

Type species: Philacroterium cribellatum Attems, 1928 , by subsequent designation ( Attems, 1929: 318).

Figures

FIGURE 3. A–D, Aphilodontinae habitus, dorsal: A, Aphilodon silvestrii n. sp. (IBSP 3665); B, Mecophilus neotropicus Silvestri, 1909 (MNHG); C, Mairata itatiaiensis n. sp. (IBSP 6178); D, Philacroterium brevipes (Verhoeff, 1938) n. comb. (KZN 5033). Scale bars: 1 mm (A–D).

FIGURE 5. A–D, Aphilodontinae clypeus and labrum. Aphilodon indespectus n. sp. (IBSP 3653): A, clypeus, ventral. Aphilodon meganae n. sp. (IBSP 4070): B, middle part of clypeus, ventral. Aphilodon silvestrii n. sp. (IBSP 3665): C, labrum, ventral. Philacroterium weberi (Silvestri, 1909) n. comb. (KZN 8142): D, labrum, ventral. Abbreviations: LP: lateral pieces of labrum; LS: lateral setae of clypeus; PS: post-antennal setae of clypeus; SCS: sub-clypeal setae. Scale bars: 0.1 (A, C–D), 0.02 (B) mm.

FIGURE 7. A–D, Aphilodontinae second maxillae, ventral: A, Aphilodon micronyx Brölemann, 1902 (IBSP); B, Philacroterium maritimum (Lawrence, 1963) n. comb. (KZN); C, Aphilodon caboclos n. sp. (IBSP); D, Mairata butantan n. sp. (IBSP). Abbreviations: MP: medial part of coxosternite of second maxillae; TSM: telopodite of second maxillae. Scale bars: 0.1 mm (A–D).

FIGURE 11. A–F, Aphilodontinae terminal part of body. Philacroterium maritimum (Lawrence, 1963) n. comb. (KZN 6822): A, female terminal part of body, ventral. Mairata butantan n. sp. (IBSP 3663): B, female terminal part of body, ventral; D, male terminal part of body, ventral. Aphilodon micronyx Brölemann, 1902 (IBSP 6176): C, male terminal part of body, ventral. Aphilodon silvestrii n. sp. (IBSP 3665): E, female post-pedal segments (anterior part of the gonopodal lamina hidden); F, male post-pedal segments, ventral. Color legend: gold, intermediate sternite; orange, first genital pleurite; light green, first genital pleurosternite; dark green, first genital sternite; red, gonopods; light blue, second genital sternite; dark blue, anal valves; purple, tergite. Scale bars: 0.5 (A–D), 0.1 (E–F) mm.

FIGURE 38. A–H, labrum. Pachymerium ferrugineum (Koch, 1835) (PD): A, mid-part and lateral pieces, ventral; E, bristles of lateral pieces of labrum, ventral. Aphilodon micronyx Brölemann, 1902 (IBSP): B, labrum, ventral. Geoperingueyia dentata Verhoeff, 1938 (MNRJ): C, labrum, ventral; F, right lateral piece of labrum, ventral. Philacroterium maritimum (Lawrence, 1963) n. comb. (KZN): D, labrum, ventral. Aphilodon pereirai n. sp. (IBSP): G, right lateral piece of labrum, ventral; H, central part of labrum. Abbreviations: LP: lateral piecie of labrum. Scale bars: 0.06 (A, F–H), 0.1 (B–D), 0.002 (E) mm.

FIGURE 39. A–E, telopodite of second maxillae, ventral: A, Pachymerium ferrugineum (Koch, 1835) (PD); B, Geoperingueyia dentata Verhoeff, 1938 (MNRJ); C, Philacroterium maritimum (Lawrence, 1963) n. comb. (KZN); D, Mairata butantan n. sp. (IBSP); E, Aphilodon indespectus n. sp. (IBSP). Abbreviations: PT: pretarsus; T1: article 1 of telopodite of second maxillae; T2 article 2 of telopodite of second maxillae; T3: article 3 of telopodite of second maxillae. Scale bars: 0.08 (A), 0.05 (B–D) mm.

FIGURE 40. A–F, anterior part of body, dorsal: A, Dicellophilus carniolensis (Koch, 1847) (PD); B, Aphilodon pereirai n. sp. (IBSP); C, Philacroterium cribellatum Attems, 1926 (SAM); D, Mairata itatiaiensis n. sp. (IBSP); E, Mecophilus neotropicus (MSNG); F, Mecophilus tupiniquim n. sp. (IBSP). Abbreviations: FPT: forcipular pretergite; FTE: forcipular tergite. Scale bars: 0.5 mm (A–F).

FIGURE 41. A–L, forcipular segment, ventral: A, Dicellophilus carniolensis (Koch, 1847) (PD); B, Hyphydrophilus adisi Pereira, Minelli & Barbieri, 1994 (PD); C, Macronicophilus abbreviatus Pereira, Foddai & Minelli, 2000 (INPA); D, Strigamia crassipes (Koch, 1835) (PD); E, Henia vesuviana (Newport, 1844) (PD); F, Geoperingueyia dentata Verhoeff, 1938 (MNRJ); G, Mairata itatiaiensis n. sp. (IBSP); H, Mecophilus neotropicus Silvestri, 1909 (MSNG); I, Aphilodon micronyx Brölemann, 1902 (IBSP); J, Aphilodon silvestrii n. sp. (IBSP); K, Philacroterium cribellatum Attems, 1926 (SAM); L, Philacroterium brevipes (Verhoeff, 1938) n. comb. (KZN). Scale bars: 0.2 mm (A–L).