Table 2.
Mitochondrial gene-arrangement characters inferred to be ancestral for blood- sucking lice (suborder Anoplura)
| Species of insects | Order/suborder | atp8-atp6-N | E-cob | cob-S 1 | I-cox1 | D-Y-cox2 | R-nad4L-P-cox3 | cox3-A | K-nad4 | M-L 1 -rrnL-V |
|---|---|---|---|---|---|---|---|---|---|---|
| Hoplopleura akanezumi (rat louse) | Phthiraptera/Anoplura | + | + | + | + | + | + | + | + | – |
| Hoplopleura kitti (rat louse) | Phthiraptera/Anoplura | + | + | + | + | + | + | + | + | + |
| Pediculus capitis (human head louse) | Phthiraptera/Anoplura | – | – | – | – | – | – | + | + | – |
| Pediculus humanus (human body louse) | Phthiraptera/Anoplura | – | – | – | – | – | – | + | + | – |
| Pthirus pubis (human pubic louse) | Phthiraptera/Anoplura | – | – | + | – | – | – | + | – | – |
| Polyplax asiatica (rat louse) | Phthiraptera/Anoplura | – | + | – | – | + | – | + | + | + |
| Polyplax spinulosa (rat louse) | Phthiraptera/Anoplura | – | + | – | – | + | + | – | + | – |
| Haematopinus suis (domestic pig louse) | Phthiraptera/Anoplura | + | + | – | + | + | – | + | + | – |
| Haematopinus apri (wild pig louse) | Phthiraptera/Anoplura | + | + | – | + | + | – | + | + | – |
| Haematopinus asini (horse louse) | Phthiraptera/Anoplura | + | + | – | + | + | – | + | + | – |
| Bothriometopus macrocnemis (screamer louse) | Phthiraptera/Ischnocera | – | – | – | – | – | – | – | + | – |
| Campanulotes bidentatus (pigeon louse) | Phthiraptera/Ischnocera | – | – | – | – | – | – | – | – | – |
| Ibidoecus bisignatus (ibis head louse) | Phthiraptera/Ischnocera | – | – | – | – | – | – | – | – | – |
| Heterodoxus macropus (wallaby louse) | Phthiraptera/Amblycera | – | – | – | – | – | – | – | – | – |
| Lepidopsocid sp. (barklouse) | Psocoptera/Trogiomorpha | – | – | – | – | – | – | – | – | – |
| Haematomyzus elephantis (elephant louse) | Phthiraptera/ Rhynchophthirina | – | – | – | + | – | – | – | + | – |
| Hypothetical ancestor of insects | – | – | – | – | – | – | – | – | – |
Note: “+” is for “presence”; “-” is for “absence”.