| 5023007 |
ambrosia beetle |
Gnathotrichus materiarius |
showing antenna and leg |
| 5477319 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
|
| 5463117 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
elytra |
| 5463123 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
pronotum |
| 5463131 |
western pinewood stainer |
Gnathotrichus retusus |
pronotum |
| 5463125 |
western pinewood stainer |
Gnathotrichus retusus |
elytra |
| 5461741 |
ambrosia beetle |
Gnathotrichus materiarius |
pronotum |
| 5463116 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
|
| 5463124 |
western pinewood stainer |
Gnathotrichus retusus |
|
| 5461735 |
ambrosia beetle |
Gnathotrichus materiarius |
elytra |
| 5461734 |
ambrosia beetle |
Gnathotrichus materiarius |
|
| 5323075 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
Small cylindrical black beetles (3.6 mm long), head partly concealed in dorsal view, pronotum strongly declivous anteriorly and usually with many asperate crenulations in anterior half. Elytra entire, concealing pygidium, declivity terminates in a blunt slope; USA: Q intercept, Douglas fir, 17 May 1998. 2456QA. |
| 5323076 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
Elytra entire, concealing pygidium, declivity terminates in a blunt slope and has a single row of small, apically blunt granulations, declivity sulcate along the midline; USA. Q intercept, Douglas fir, 17 May 1998. 2456QA. |
| 5323082 |
western hemlock wood stainer |
Gnathotrichus sulcatus |
Head partly concealed in dorsal view and narrower than pronotum. Pronotum strongly declivous anteriorly and usually with many asperate crenulations in anterior half. Scutellum large and flat; USA. Q intercept, Douglas fir, 17 May 1998. 2456QA. |
| 5323067 |
western pinewood stainer |
Gnathotrichus retusus |
Small cylindrical black beetles (3.6 mm long)with partly concealed heads in dorsal view. Pronotum weakly to strongly declivous anteriorly and usually with many asperate crenulations in anterior half. Scutellum large and flat. Elytra entire, concealing pygidium, declivity terminates in a blunt slope and has two rows of small, apically blunt granulations, declivity weakly bisulcate; Canada: Intercepted in Douglas fir timber, 17 April 2000, 2448QA. |
| 5323068 |
western pinewood stainer |
Gnathotrichus retusus |
Elytra entire, concealing pygidium, declivity terminates in a blunt slope and has two rows of small, apically blunt granulations, declivity weakly bisulcate; Canada: Intercepted in Douglas fir timber, 17 April 2000, 2448QA. |
| 5323074 |
western pinewood stainer |
Gnathotrichus retusus |
Pronotum weakly to strongly declivous anteriorly and usually with many asperate crenulations in anterior half; Canada: Intercepted in Douglas fir timber, 17 April 2000, 2448QA. |
| 5155073 |
ambrosia beetle |
Gnathotrichus materiarius |
|