1 / 2

A key to adult beetles associated with stored grain:

A key to adult beetles associated with stored grain:. 1a) Head with snout; antennae with geniculate elbow  Curculionidae b) Head without snout; antennae not as above - . 2. 2a) Elytra short, exposing abdominal segments  b) Elytra long, covering abdominal segments . 3. 4.

kalea
Download Presentation

A key to adult beetles associated with stored grain:

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. A key to adult beetles associated with stored grain: 1a) Head with snout; antennae with geniculate elbow  Curculionidae b) Head without snout; antennae not as above -  2 2a) Elytra short, exposing abdominal segments  b) Elytra long, covering abdominal segments  3 4 3a) Beetle covered with hairs; antennae long, no club  b) Beetle not very hairy; antennae with a round club  5 6 4a) Head hidden dorsally; body cylindrical/round  b) Head visible dorsally; body flattened  7 8 8a) Beetle green-blue/metallic; lateral hairs  Cleridae b) Not as above  9 10 9a) Lateral pronotal teeth+  b) Lateral pronotal teeth-  11 1a 1b 2a 2b 3a 3b 5b 5a 4a 4b 5a) Antennal segments – simple/saw tooth-like, no club Bruchinae b) Antennae with last 3 segm. forming club Anthribidae 6a) Beetle shiny black/metallic; 1 segm. antennal club  Histeridae b) Beetle black/brown; 3 segm. antennal club  Nitidulidae 6b 6a 7a) Antennae short, 3 segm. club; beetle elongate/cylindrical; pronotal teeth+ Bostrichidae b) Antennae long, no or loose 3 segm. club; beetle oval; pronotal teeth-  Anobiidae 7a 7b 8a 9a 9b Operational Science Program (DAFF)

  2. A key to adult beetles associated with stored grain: 10a) Pronotum with 6 lateral teeth/ 2 or 4 pronotal corners teeth-like  Silvanidae b) Pronotum with front corners tooth-like and also laterally mid-point  Cryptophagidae 10a 10b 11a) Antennae long, no club; pronotum with a pair of lateral ridges; beetle flattened  Cryptolestes spp. Laemophloeidae b) Not as above  11a 12 12a) Beetle >2mm; tarsi  3 segm; antennae 1-3 segm.  Latridiidae b) Beetle 2-12mm; tarsi > 3 segm; if antennae clubbed – 3 segm. 13 12a 13b 13a 13a) Beetle covered with hairs/scales  b) Beetle glaborous(not hairy)  14 16 14a 14b 14a) Head with median ocellus  Dermestidae (in part) b) Median ocellus absent  15 15a) Beetle 5-10mm; brown/black coloured with underside B&W patterns of hairs  Dermestes spp.Dermestidae (in part) b) Beetele 2-3mm; light brown coloured; elytral hairs obvious in parallel lines  Mycetophagidae 15a 15b 16a) Beetle 5-11mm & shiny black; waist + between prothorax & elytra  Trogossitidae (Cadelle) b) Beetle 3-12mm & brown/black; waist - between prothorax & elytra; tarsi 5-5-4  Tenebrionidae 16a 16b Operational Science Program (DAFF)

More Related