Published December 31, 2009 | Version v1
Taxonomic treatment Open

Pachycerina : Macquart 1835

Description

Key to Afrotropical species of male Pachycerina

1 Prefrons (face) lateral spots large, black; wing hyaline or infuscated anteriorly.... 2

– Prefrons (face) lateral spots small, brown; wing hyaline......................................................................................................... P. micropunctata sp. n. (Madagascar)

2 Abdomen yellow or orange-brown, with paired T6 spots.................................... 3

– Abdomen black, without paired T6 spots............................................................. 8

3 Ventral margins of abdominal tergites with clear black edging............................ 4

– Ventral margins of abdominal tergites orange-brown, without any black edging...... 5

4 Wing strongly fumose, male gonopods about equal in length.................................................................................................. P. nigrivittata sp. n. (southern Africa)

– Wing weakly fumose, male gonopods unequal in length............................................................................................................ P. stuckenbergi sp. n. (Madagascar)

5 Antenna dark brown, distinct infuscation of scape, pedicel and/or postpedicel... 6

– Antenna yellow (no infuscation of scape, pedicel, postpedicel).......................... 7

6 Thoracic vittae orange to dark brown (markings often diffuse); pedicel dark brown, postpedicel blackish brown; artistal plumosity rather sparse............................................................................................................. P. pellocera sp. n. (Madagascar)

– Thoracic vittae black (instensely marked); postpedicel yellow, outer half of pedicel and scape brown; aristal plumosity dense............ P. potentilla sp. n. (São Tomé)

7 Profemur posteriorly yellow with brown area apically; lower lateral corners of prefrons (face) with brown smudge............... P. seychellensis Lamb (Seychelles)

– Profemur posteriorly all yellow-orange; lower lateral corners of prefrons (face) not infuscated........................................ P. vaga Adams (southern and eastern Africa)

8 Lower lateral thoracic vitta restricted to upper margin of sternopleuron, mid- and hind-legs yellow-orange....................................................................................... 9

– Lower lateral thoracic vitta expanding to cover entire sternopleuron, mid- and hind-legs mainly blackish........................................... P. atrimela sp. n. (Madagascar)

9 Wing fumose...................................................................................................... 10

– Wing hyaline.............................................. P. crinicornis (Thomson) (Mauritius)

10 Profemur all yellow-orange, haltere orange.................. P. gabela sp. n. (Angola)

– Profemur yellow with black tip, haltere black............................................................................................................................. P. obscuripennis Lamb (Seychelles)

Notes

Published as part of Davies, Gregory B. P. & Miller, Raymond M., 2009, Revision of Afrotropical Pachycerina Macquart (Diptera: Lauxaniidae), pp. 295 in African Invertebrates 50 (2) on page 307, DOI: 10.5733/afin.050.0207, http://zenodo.org/record/7910522

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Linked records

Additional details

Biodiversity

Scientific name authorship
: Macquart
Kingdom
Animalia
Phylum
Arthropoda
Order
Diptera
Family
Lauxaniidae
Genus
Pachycerina
Taxon rank
genus
Taxonomic concept label
Pachycerina Macquart, 1835 sec. Davies & Miller, 2009