Some notes and observations of Glow Worm larvae in captivity
 
 
Total number of glows x 22 nights   67     Highest recorded number of glows per observation period   22
Total average glows per night   3.04     Highest recorded number of glows per single minute period   5
 
 
Date: 01/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate damp. ... Food available: No.
Notes: Larva inactive throughout the observation period.
 
 
Date: 02/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate dry. ... Food available: No.
Notes: Larva observed to glow on just three occasions, shortly before 22:30h.
 
 
Date: 03/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: No.
Notes: Larva inactive throughout.
 
 
Date: 04/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate dry. ... Food available: Yes.
Notes: Larva inactive throughout all but the last few minutes of the observation period, when it became active.
 
 
Date: 05/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva fed on slug during the day and remained inactive (possibly still feeding) during the two hour observation period.
 
 
Date: 06/09/12 ... Time: 00:00h-02:00h. (later obs period)... Conditions: Indoors at room temperature. Substrate dry. ... Food available: Yes.
Notes: Larva glowing well between 20:30h and 21:00h, before returning to feed on partially eaten slug caught on 05/09/12. No reported glows during the observation period.
 
 
Date: 07/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate dry. ... Food available: No.
Notes: Larva inactive.
 
 
Date: 08/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: No.
Notes: Larva inactive. Has so far only glowed for two short occasions over eight evenings.
 
 
Date: 09/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva continues to remain inactive.
 
 
Date: 10/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate dry. ... Food available: No.
Notes: Larva feeding on slug. Inactive during the observation period.
 
 
Date: 11/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva active at start of the observation period and was seen to attack slug at 22:03h, then produced four single glows before 22:10h.
 
 
Date: 12/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: No.
Notes: Larva inactive.
 
 
Date: 13/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva inactive.
 
 
Date: 14/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: No.
Notes: Larva inactive.
 
 
Date: 15/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva suddenly glowed twice at 22:53h, after being inactive and never glowed again.
 
 
Date: 16/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: No.
Notes: Larva inactive.
 
 
Date: 17/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva inactive.
 
 
Date: 18/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva active at the start of the observing period, recorded to glow 22 times.
 
 
Date: 19/09/12 ... Time: 22:00h-00:00h. ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva again was active early. Glowed 10 times.
 
 
Date: 20/09/12 ... Time: 00:00h-02:00h. (later obs period) ... Conditions: Indoors at room temperature. Substrate wet. ... Food available: No.
Notes: Larva inactive.
 
 
Date: 21/09/12 ... Time: 22:00h-00:00h.... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva inactive.
 
 
Date: 22/09/12 ... Time: 22:00h-00:00h.... Conditions: Indoors at room temperature. Substrate wet. ... Food available: Yes.
Notes: Larva almost totally inactive after feeding during the day, apart from a short period of activity just after 22:00h.
     
     
Glow Worm larvae observational data    
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