Philaccolilus

Species of Philaccolilus

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

Name

• Philaccolilus Guignot, 1937 Wikispecies link

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
–		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
–		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
–		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
–		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
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