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variegated carpet beetle

Scientific Name
Anthrenus verbasci
Scientific Author
(Linnaeus, 1767)
Taxonomy
(Coleoptera: Dermestidae: Megatominae)
Status
Exotic Species Establishment in Australia
Reliability
High
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Diagnostic Images (13)
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Diagnostic Notes

Adult body length 1.7-3.5mm, body compact and rounded, clovered with mottled pattern of black and white scales.

Generic separation of various Dermestid adult and larvae.

Adults

1. Medium ocellus absent - Dermestes
    Medium ocellus present - Go to 2.

2. Body covered with colourful scales - Anthrenus
    Body covered with hairs not scales - Go to 3.

3. First segment of hind tarsi half or less the length    of second segment - Attagenus
   First segment of hind tarsi as long or longer than second segment - Go to 4.

4. No distinct antennal club, all segments gradually enlarging from base to apex - Trogoderma
   Distinct 3 segmented club, these segments considerably larger than remaining segments - Anthrenocerus

Larvae

1.  Ninth abdominal segment with horn-like structures - Dermestes
    Ninth segment without horn-like structures - Go to 2.

2.  Dorsal surface without barbed arrow-shaped setae - Attagenus
    Dorsal surface with barbed arrow-shaped setae - Go to 3.

3.  Tufts of barbed setae do not overlap along the midline - Trogoderma & Anthrenocerus
    Tufts of barbed setae overlap on midline - Anthrenus

Source: See Rees (2004) in references

Closely allied species Anthrenus museorum and is distinguished as:

Anthrenus verbasci :

Body length 2-4mm; antennae 11 segmented with 3 segmented club.

Anthrenus museorum :

Body length 2-2.8mm; antennae 8 segmented with 2 segmented club.

Both species have, while variable, is similar body colours as brown or black and mottled with yellow and white scales on dorsal surface, ventral surface with fine grey-yellow scales. Larvae of both species with 3 tufts of golden hairs on tip of abdomen.


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