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    Thread: Ventral exuvium gender comparisons

    1. #1
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      Ventral exuvium gender comparisons

      The objective of this thread is for people to have a place to post pictures of ventral exuviums of each species confirmed gender for comparison purposes.

      This thread also serves as a reference to facilitate the determination of gender of tarantulas from their molts. This is not a "please sex my T" thread. Please only post pictures of confirmed genders.

      Brachypelma vagans
      The pictures below demonstrates a couple of my most recent tarantulas molts starting with a pair of Brachypelma vagans. The female molted last month, and the male molted last Wednesday. Both tarantulas are about 2.5 inches. Note the difference between the male and female ventral exuviums.



      Male - - - - - - - - - - - - - - - - - - - - Female

      Poecilotheria ornata
      The following picture shows the molt of a female Poecilotheria ornata. She's about 3-3.75 inches. Note the spermathecae in the circled area. This is the area in which to look at in determining the sex of the tarantula.



      Is there anyone in the forum that has a good picture of an exuvium of a confirmed male Poecilotheria ornata for comparison? I've observed multiple of my other ornatas molts, but have been unable to positively identify the sex due to their poor condition.

      Hope this thread helps.
      Last edited by Thalia; 05-19-2012 at 01:18 PM.
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      zumbul91 (04-15-2012)

    3. #2
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      Here are some ventral IDs for G pulchra.
      Here is a confirmed MF G pulchra
      Click image for larger version. 

Name:	2012-04-09%u00252520Sable010%2520ventral2.jpg 
Views:	0 
Size:	94.3 KB 
ID:	32521Click image for larger version. 

Name:	2012-04-09%u00252520Sable010%2520Ventral3.jpg 
Views:	116 
Size:	87.3 KB 
ID:	32522

      Here is a confirmed MM G pulchra
      Click image for larger version. 

Name:	009%u00252520Onyx%2520ventral%25205-18-11.jpg 
Views:	116 
Size:	51.6 KB 
ID:	32523

      Exuviums
      Juvenile femaleClick image for larger version. 

Name:	number1b%u002525201-26-10%2520exuvium.jpg 
Views:	114 
Size:	57.8 KB 
ID:	32524
      Adult femaleClick image for larger version. 

Name:	Sable010%u002525207-26-11%2520Exuvium.jpg 
Views:	114 
Size:	78.7 KB 
ID:	32526

      Juvenile maleClick image for larger version. 

Name:	number2%u00252520exuvia%25201-21-10.jpg 
Views:	114 
Size:	56.1 KB 
ID:	32525
      Adult maleClick image for larger version. 

Name:	009%u00252520molt%25207-26-10.jpg 
Views:	115 
Size:	78.8 KB 
ID:	32527

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      Relax! Take it easy. This is not an instantaneous hobby. It's a long term "getting to know you" sort of thing. There's plenty of time, perhaps a whole lifetime, to enjoy these phenomenal creatures. Patience. One step at a time. One day at a time. No worries. -Stan Schultz

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      zumbul91 (04-15-2012)

    5. #3
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      Lasiodora difficilis
      These are the pictures of a couple of adult Lasiodora difficilis molts. The female molted last week on May 8th, and the male matured this week on May 14th. The female is 7 in. LS, and the male is 5.5 in. LS .



      Female





      Male

      Note the difference between the male and female ventral exuviums (circled in the pictures).

      Last edited by Thalia; 05-19-2012 at 01:19 PM.
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    6. #4
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      Here are a couple ventral images of B albopilosum, if someone has a female vent shot to add let me know. Every one I have had has been male.
      Click image for larger version. 

Name:	20140427_174439.jpg 
Views:	0 
Size:	97.8 KB 
ID:	53806Click image for larger version. 

Name:	20140427_174501.jpg 
Views:	0 
Size:	97.6 KB 
ID:	53807

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      Relax! Take it easy. This is not an instantaneous hobby. It's a long term "getting to know you" sort of thing. There's plenty of time, perhaps a whole lifetime, to enjoy these phenomenal creatures. Patience. One step at a time. One day at a time. No worries. -Stan Schultz

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