Improved Visualization of Alphitobius diaperinus (Panzer) (Coleoptera: Tenebrionidae)—Part II: Alimentary Canal Components and Measurements

Table 3

The length of the segments of the alimentary canal as percent of total alimentary canal length (ACL) and body length (BL) of the Alphitobius diaperinus female and male beetles (>4 weeks after eclosion) and the late instars (7–9th). Measured by microscopy.

	Foregut		Midgut		Small intestine		Large intestine		Rectum		Total alimentary canal
	ACL	BL	ACL	BL	ACL	BL	ACL	BL	ACL	BL	BL
Adult female	9.0	23.8	49.2	129.1	17.3	17.3	12.2	32.1	12.2	32.1	262.5
Adult male	10.1	25.5	50.6	127.4	18.1	18.1	14.0	35.2	7.3	18.3	252.0
Late instar	12.7	18.4	53.6	77.9	18.8	27.4	11.5	16.7	3.4	5.0	145.4
Adult*	9.6	24.6	49.9	128.3	17.7	45.5	13.1	33.6	9.9	25.4	257.1

*Compilation of adult male and adult female measurements.