Figure 2
From: The use of yellow fluorescent hybrids to indicate mating in Trypanosoma brucei

Yellow hybrids in salivary glands. Dissected salivary glands with mixed infection of red, green and yellow trypanosomes. A. Salivary duct from 27 day infection. B. Portion of salivary gland showing blind end from 20 day infection. Reproduced from [30] with permission. Trypanosomes are 20–30 μm in length.