Philonthus decorus (Gravenhorst)

Pietrykowska-Tudruj, Ewa & Staniec, Bernard, 2011, The morphology of the pupae of six species of Philonthina (Coleoptera, Staphylinidae, Staphylinini) with taxonomic remarks, Zootaxa 2865, pp. 53-67: 60-63

publication ID

http://doi.org/ 10.5281/zenodo.202575

DOI

http://doi.org/10.5281/zenodo.6183495

persistent identifier

http://treatment.plazi.org/id/7E75879E-FF93-FFE9-6ACC-05060AE6F801

treatment provided by

Plazi

scientific name

Philonthus decorus (Gravenhorst)
status

 

Philonthus decorus (Gravenhorst)  

( Figs 16 –18 View FIGURES 13 – 18 , 36–40 View FIGURES 19 – 40 , 50–51, 57, 67)

Body length: 6.60 –8.00 mm (mean 7.40 mm), female 6.60–7.98 mm (mean 7.50 mm), male 6.90–7.40 mm (mean 7.20 mm); body width: 3.25–3.74 mm (mean 3.4 mm); female 3.25–3.74 mm (mean 3.4 mm); male 3.25–3.36 mm (mean 3.31 mm); head width: 1.77–1.95 mm (mean 1.85 mm), female 1.80–1.95 mm (mean 1.89 mm), female 1.77–1.89 mm (mean 1.82 mm); pronotum width: 2.08–2.21 mm (mean 2.14 mm), female 2.13–2.5 mm (mean 2.32 mm), male 2.08–2.21 mm (male 2.20 mm), about as broad as long; body stocky and strongly sclerotized. Head 1.1 x as long as wide ( Figs 16, 17 View FIGURES 13 – 18 ). Antennae distinctly protruding beyond middle of elytra ( Fig. 17 View FIGURES 13 – 18 ). Anterior margin of pronotum with 15–23 projections (females– 9 /8, 9/7, 10/9, 12/11, 9/9, 9/10, 9/9, 10/10, 9/10, 10/ 10, male– 8 / 8, 10/9, 10/8, 11/9, 8/7, 9/ 10 projections on sides in individuals). Wings reaching the posterior margin of 1 st (morphologically 3 rd) clearly visible abdominal segment ( Figs 16, 17 View FIGURES 13 – 18 ). Each fore, middle, and hind tibiae with 5, 9, and 5 protuberances respectively. Tarsi of hind legs reaching to, or slightly protruding beyond, posterior margin of 4 th (morphologically 6 th) clearly visible, abdominal segment ( Figs 16, 17 View FIGURES 13 – 18 ). Abdominal segments II and III almost equal in width, then abdomen gradually narrowed to the terminal segment of the body ( Fig. 18 View FIGURES 13 – 18 ). Abdominal segments III–VIII each with a pair of setiform projections (6 pairs in total) on sides ( Figs 16–18 View FIGURES 13 – 18 ). Segments III–VI with short, straight projection, segments more than 4 (4.1–4.3) x longer than projections ( Fig. 37 View FIGURES 19 – 40 ); segment VII with long, slightly curved projections, segment about 1.3 x as long as projections ( Fig. 36 View FIGURES 19 – 40 ); segment VIII with longest, moderately curved projections, almost as long as segment ( Fig. 39 View FIGURES 19 – 40 ). All abdominal projections on sides bearing cuticular processes ( Figs 38, 40 View FIGURES 19 – 40 ). Abdominal segments with microstructure as in Fig. 39 View FIGURES 19 – 40 A. Female pupa with two ventral prolongations (Fig. 50); each prolongation with tiny denticle inside near apex (Fig. 50 A); terminal prolongation with tiny numerous cuticular processes in apical region (Fig. 50 B). The first pair of functional spiracles relatively small, similar to second, moderately elongated, without microstructure ( Figs 17, 18 View FIGURES 13 – 18 , 57 View FIGURES 52 – 70 ); atrophied spiracles as in Fig. 67 View FIGURES 52 – 70 .

FIGURES 41–51. Pupa of Bisnius fimentarius   (41, 41A, B, 42), Gabrius osseticus   (43, 43A, B, 44, 44A), Philonthus atratus   (45, 45A, 46), P. carbonarius   (47, 47A, 48, 48A), P. debilis   (49, 49A, B) and P. decorus   (50, 50A, B, 51). (41, 43, 44, 45, 47, 49, 50) Terminal sternite of female pupa; (42, 46, 48, 51) gonotheca or entire terminal sternite (48) of male pupa; (41 A, 43 A, 44 A, 45 A, 47 A, 48 A, 50 A) ventral prolongations; (41 B, 43 B, 48 A, 49 B, 50 B) terminal prolongation.