Difference between revisions of "Philaccolilus"

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Latest revision as of 10:53, 3 October 2011

Species of Philaccolilus

Ordo: Coleoptera
Familia: Dytiscidae
Subfamilia: Laccophilinae
Tribus: Laccophilini
Genus: Philaccolilus

Name

Type species

  • Neptosternus bicinctus Régimbart, 1892 by original designation

Species

P. ameliae - P. aterrimus - P. bacchusi - P. bellissimus - P. bicinctus - P. incognitus - P. irianensis - P. kokodanus - P. mas - P. mekus - P. ramuensis - P. speciosus

Distribution

  • New Guinea

Measurements of Philaccolilus spp.

Species N TL TL-h TW TL/TW
P. ameliae 13 5.1-5.5 (5.24) 4.7-5.0 (4.88) 2.8-3.1 (2.96) 1.77
P. a. weyl. 17 5.4-5.8 (5.49) 5.0-5.4 (5.18) 3.0-3.2 (3.01) 1.82
P. aterrimus 20 5.3-5.6 (5.36) 5.0-5.4 (5.30) 3.0-3.2 (3.10) 1.73
P. bacchusi 1 5.3 5.0 3.0 1.77
P. bellissimus 12 4.5-5.0 (4.77) 4.2-4.8 (4.46) 2.6-2.9 (2.69) 1.77
P. bicinctus 5 4.4-4.7 (4.61) 4.2-4.4 (4.38) 2.6-2.7 (2.68) 1.72
P. incognitus 22 4.3-4.8 (4.67) 4.0-4.5 (4.39) 2.4-2.7 (2.58) 1.81
P. irianensis 14 4.5-5.1 (4.77) 4.2-4.7 (4.46) 2.6-2.7 (2.64) 1.81
P. kokodanus 2 4.5-4.6 4.3 2.5-2.6 1.78
P. mas, Km 30 12 4.3-4.6 (4.51) 4.0-4.4 (4.17) 2.4-2.8 (2.58) 1.75
P. mas, Km 117 12 4.4-4.9 (4.72) 4.1-4.6 (4.45) 2.5-2.8 (2.62) 1.80
P. mekus 11 5.9-6.4 (6.25) 5.5-6.1 (5.83) 3.4-3.7 (3.64) 1.72
P. ramuensis 20 4.4-4.7 (4.56) 4.0-4.4 (4.23) 2.4-2.6 (2.51) 1.82
P. speciosus 1 4.8 4.6 2.7 1.78


Key

Philaccolilus — M. Balke
Geographic Scope: New Guinea — Collaboration: open — (Status not specified) — Edited by: (not specified)
01
Elytron completely black (but entire head yellow). 
  aterrimus
Philaccolilus aterimus habitusDors.jpg
–
Elytron black with yellow or red markings.   ► 02
02
Large species, body length 5.9 to 6.4 mm, posterior margin of head black. 
  mekus
Philaccolilus mekus HabitusDors.jpg
–
Smaller, body length 4.3 to 5.8 mm; head dorsally entirely yellow to rufous.   ► 03
03
Elytron with nine yellow markings, including a medio-subsutural spot, some of the spots in a few cases confluent.   ► 11
Philaccolilus bellissimus PT HabitusDors.jpg
–
Elytron with less than nine markings, medio-subsutural spot absent.   ► 04
04
Pronotum chiefly black with at most a faint medial rufous or piceous area.   ► 05
–
Pronotum medially with a broad yellow transverse band.   ► 10
05
Elytron with medio-submarginal spot.   ► 06
–
Elytron lacking medio-submarginal spot.   ► 07
06
Elytron with subbasal transverse band narrow, body elongate oval, body length / body width 1.78. 
  kokodanus
–
Elytron with subbasal transverse band broad, body broadly oval, body length / body width 1.72. 
  bicinctus
07
Elytron with medial-discal and postmedial-subsutural (if present) spots small. 
  bacchusi
–
Elytron with medial-discal and postmedial-subsutural spots large.   ► 08
08
Elytron with subbasal transverse band not reaching lateral margin or at most anterior angle of band contacting margin. 
  ameliae
–
Elytron with subbasal transverse band broadly reaching lateral margin.   ► 09
09
Pronotum black medially. 
  mas
Philaccolilus mas PT HabitusDors.jpg
–
Pronotum with narrow reddish to piceous transverse medial band. 
  ramuensis
10
Male median lobe rather narrow subapically in ventral view. 
  irianensis
–
Male median lobe broader subapically in ventral view. 
  incognitus
Philaccolilus incognitus HabitusDors.jpg
11
Male sternum 6 with posterior margin medially emarginate, PNG: S Coast of Papuan Peninsula 
  speciosus
–
Male sternum 6 with posterior margin medially with a conspicuous concavity, Indonesia: N Coast of Papua 
  bellissimus
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