Species group: laniarius

1a. White hairs form a large transverse spot with serrated edges on pronotal disc.

→ Dermestes coronatus

1b. No big white spot on pronotal disc. Go to question: 2

 

2a. The pronotum, scutellum and elytra are quite densely covered by long golden yellow pubescence intermixed with white hairs.

→ Dermestes marocanus

 

2b. Pronotum and elytra are less densely covered in hairs and/or contain different colour hairs. Go to question: 3

3a. Pronotum is covered with black hair intermixed with white and yellow hairs and with four yellow/brown transverse spots, often joined forming a transverse band. Go to question: 4

3b. Hairs on pronotum uniform or mottled pattern. Go to question: 5


4a. The last andominal sternite is black with two small semicircular spots of white hairs.

→ Dermestes sardous

4b. The last abdominal sternite is black with two enlarged and longitudinal spots of white hairs.

→ Dermestes asiaticus

5a. Last abdominal sternite is almost entirely black (some white hairs may be present) and the posterior margin of the 4th sternite has two spots of black hairs. Go to question: 6

5b. Last abdominal sternite clearly contains white hairs and there are no black spots at the posterior margin of the 4th sternite. Go to question: 8

6a. Majority of elytra and pronotum uniformly covered in black hairs mixed with whitish-grey hairs.

→ Dermestes laniarius

6b. Majority of elytra and pronotum covered in black and brown hairs in a mottled pattern. Go to question: 7

7a. Shape of male genitalia.

→ Dermestes mustelinus

7b. Shape of male genitalia.

→ Dermestes kaszabi

 

8a. Last abdominal sternite is almost fully covered with light coloured hairs, except for two black spots at the lateral margins and a small black spot at the apex of the sternite; the majority of the abdomen are covered in light orange brown hairs; elytra contain grey whitish hairs.

→ Dermestes erichsoni

8b. Black spot at the apex of the last abdominal sternite reaches the anterior margin. Go to question: 9

 

9a. The last abdominal sternite is black with two spots of lighter coloured hairs at the anterior margin; the majority of the abdomen are covered in light brown hairs.

→ Dermestes aurichalceus

9b. The majority of the abdomen are covered in white hairs. Go to question: 10

10a. The last abdominal sternite is black with two spots of white hairs at the posterior margin.

→ Dermestes normandi

10b. The last abdominal sternite is black hairs with two longitudinal stripes of white hairs reaching the posterior margin. Go to question: 11

 

11a. Body narrower than 3.15 mm; shape of male genitalia.

→ Dermestes loebli

11b. Body wider than 3.15 mm; shape of male genitalia. Go to question: 12

12a. Shape of the male genitalia: regulary rounded all along its length; body covered in black and brown hairs; length: 6,5-8mm.

→ Dermestes intermedius ssp. intermedius

12b. Shape of the male genitalia: slightly vaulted with small point on inner side of the apical third as; body covered in black hairs mixed with sparse pale hairs, not creating any spots; narrower body: (length: 6-6.7 mm, width: 2.7-3.2 mm).

→ Dermestes intermedius ssp. iranicus