| extremely small genomes in two unrelated dipteran insects with shared early developmental traits. | we discovered extremely small genomes (1c ~100 mb) in the dipteran insects coboldia fuscipes (scatopsidae) and psychoda cinerea (psychodidae). the small genomes of these species cannot be explained by a fast developmental rate, which has been shown to correlate with small genome sizes in animals and plants but might accommodate the combined effects of other developmental traits, including small egg size, thin blastoderm layer, and long-germ development. | 2009 | 19308443 |
| [spermatogenesis of psychoda alternata say and of psychoda cinerea banks (dipt. psychodidae)]. | | 1950 | 15431076 |
| internal extraocular photoreceptors in a dipteran insect. | within the head capsule of the moth-fly psychoda cinerea, underlying each of the two compound eyes, are two internal ocelli of different sizes. there are seven photoreceptor cells in ocellus i and two in ocellus ii. the internal ocellus i appears clearly different from the retina of the compound eye, by different rhabdom structure, different size of pigment granules and different stability of these pigments to solvents. ocellus ii does not contain any pigment granules. the physiological activity ... | 1987 | 18620192 |