Jigger (sand flea) infested foot. Tunga penetrans (chigoe flea or jigger) is a parasitic insect found in most tropical and sub-tropical climates. It is native to Central and South America, and has been inadvertently introduced by humans to sub-Saharan Africa. Synonyms for Tunga penetrans include Sarcopsylla penetrans, Pulex penetrates, and many others. In its parasitic phase it has significant impact on its host, which include humans and certain other mammalian species. A parasitical infestation of T. penetrans is called tungiasis.
According to data provided by the U.S. Navy Oceanography Portal (http://www.usno.navy.mil/USNO/as...), astronomical twilight lasts much longer (nearly 2 hours) during the summer compared to the winter months (only about 30-40 minutes).
This article is about the popular song written by Buck Ram. For the Moody Blues song, see Twilight Time (The Moody Blues song) .  Twilight Time  is a popular song with lyrics by Buck Ram, and the music by The Three Suns (Morty Nevins, Al Nevins, and Artie Dunn).Ram said that he originally wrote it as a poem, without music, while in college.Original instrumental recordings of Twilight Time included those made respectively by the Three Suns (1944) and Les Brown & His Band of Renown (1945).his article is about the popular song written by Buck Ram. For the Moody Blues song, see Twilight Time (The Moody Blues song) .  Twilight Time  is a popular song with lyrics by Buck Ram, and the music by The Three Suns (Morty Nevins, Al Nevins, and Artie Dunn).